Experimental Inorganic Chemistry MCQs

By: Prof. Dr. Fazal Rehman | Last updated: February 3, 2024

Set of Important MCQs on Experimental Inorganic Chemistry for the preparation of tests.

Which of these is a type of qualitative analysis?

1. Macro-analysis
2. Micro-analysis
3. Semi-microanalysis
4. All A, B, and C

Question’s Answer:All A, B, and C

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What you expect if the given salt mixture crystalline and light?

1. May be heavy metals salt
2. May be halides of Ca, Fe Zn etc
3. May be phosphate of Mg, Zn etc
4. May be alkali metal salt

Question’s Answer: May be alkali metal salt

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What you expect if the given salt mixture is colorless and heavy?

1. May be heavy metals salt
2. May be alkali metal salt
3. May be phosphate of Mg. Zn etc
4. May be halides of Ca, Fe Zn etc

Question’s Answer: cMay be heavy metals salt

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What you expect if the given salt mixture is colorless?

1. Cu and Cr salts are absent
2. Ni and Co salts are absent
3. Mn and Fe salts are absent
4. All A, B, and C are absent

Question’s Answer: All A, B, and C are absent

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What you expect if the given salt mixture is dark green?

1. Cr salts are present
2. Ni salts are present
3. Cu salts are present
4. Mn salts are present

Question’s Answer: Cr salts are present

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What you expect if the given salt mixture is blue?

1. Cr salts are present
2. Ni salts are present
3. Cu salts are present
4. Mn salts are present

Question’s Answer: Cu salts are present

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What you expect if the odor of given salt mixture is vinegar like?

1. Carbonates are present
2. Acetates are present
3. Sulfides are present
4. Nitrates are present

Question’s Answer: Acetates are present

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What you expect if the given salt mixture evolves reddish brown fumes with pungent smell on treatment with dil. sulfuric acid?

1. Carbonates are present
2. Acetates are present
3. Sulfides are present
4. Nitrites are present

Question’s Answer: Nitrites are present

What you expect if the given salt mixture evolves colorless gas with rotten egg’s smell on treatment with dil. sulfuric acid?

1. Carbonates are present
2. Acetates are present
3. Sulfides are present
4. Nitrites are present

Question’s Answer: Sulfides are present

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What you expect if the given salt mixture evolves colorless gas with pungent smell on treatment with dil. sulfuric acid?

1. Acetates are present
2. Sulphites and thiosulfates
3. Sulfides are present
4. Nitrites are present

Question’s Answer: Sulphites and thiosulfates

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What you expect if the given salt mixture evolves colorless gas which turns lime water milky on treatment with dil. sulfuric acid?

1. Carbonates and bicarbonates are present
2. Acetates are present
3. Sulfides are present
4. Nitrites are present

Question’s Answer: Carbonates and bicarbonates are present

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What you expect if the given salt mixture evolves violet vapors with pungent smell on treatment with con. Sulfuric acid?

1. Iodides are present
2. Acetates are present
3. Bromides are present
4. Nitrates are present

Question’s Answer: Iodides are present

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What you expect if the given salt mixture evolves brown vapors with pungent smell on treatment with con. Sulfuric acid?

1. Iodides are present
2. Acetates are present
3. Bromides are present
4. Nitrates are present

Question’s Answer: Iodides are present

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Which are members of the volatile group?

1. Carbonates and bicarbonates
2. Acetates
3. Sulfides and thiosulfates
4. All A, B, and C

Question’s Answer: All A, B, and C

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Which are members of the barium chloride group?

1. Phosphates
2. Oxalates
3. Sulfates
4. All A, B, and C

Question’s Answer: All A, B, and C

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Which are members of the silver nitrate group?

1. Chlorides
2. Bromides
3. Iodides
4. All A, B, and C

Question’s Answer: All A, B, and C

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Addition of barium chloride solution to the neutral solution of salts outcomes in white ppt. which is insoluble in all acids. The indicates the presence of

1. Oxalate ion
2. Sulfate ion
3. Phosphate ion
4. None of A, B, and C

Question’s Answer: Sulfate ion

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Addition of barium chloride solution to the neutral solution of salts outcomes in white ppt. which is insoluble in acetic acid. The indicates the presence of

1. Oxalate ion
2. Sulfate ion
3. Phosphate ion
4. None of A, B, and C

Question’s Answer: Oxalate ion

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Addition of barium chloride solution to the neutral solution of salts outcomes in white ppt, which is soluble in hot acetic acid. The indicates the presence of

1. Oxalate ion
2. Sulfate ion
3. Phosphate ion
4. None of A, B, and C

Question’s Answer: Phosphate ion

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Which of these salt is soluble in water?

1. BaCO₃
2. SrCO₃
3. CaCO₃
4. K₂CO₃

Question’s Answer: K₂CO₃

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Which of these salt is water insoluble?

1. K₂SO₄
2. Na₂SO₄
3. (NH₄)₂SO₄
4. BaSO₄

Question’s Answer: BaSO₄

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H₂S and SO₂ gases can be distinguished by which of the followings?

1. Lead acetate paper
2. Lime water
3. Litmus paper
4. Ring test

Question’s Answer: Lead acetate paper

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Which of these metal salt is colorless?

1. Cr salt
2. Co salt
3. Zn salt
4. Fe salt

Question’s Answer: Zn salt

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No characteristic flame is given by which of the followings?

1. BeCl₂
2. NaCl₂
3. CaCl₂
4. BaCl₂

Question’s Answer: BeCl₂

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An oxalate salt gives _____  gas in dry test tube

1. CO
2. CO₂
3. Oxalic acid vapor
4. CO+CO₂

Question’s Answer: CO+CO₂

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Which of these metal salt is dark green in color?

1. Zn salt
2. Cu salt
3. Co salt
4. Cr salt

Question’s Answer: Cr salt

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Which of these metal salt liberate reddish brown gas on treatment with dilute con. Sulfuric acid?

1. ZnBr₂
2. BaSO₄
3. BaCl₂
4. KNO₂

Question’s Answer: KNO₂

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Which of these acid radials/salts gives ring test?

1. KNO₃
2. ZnBr₂
3. BaCl₂
4. BaSO₄

Question’s Answer: KNO₃

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The chromyl-chloride test is given by which of these anion?

1. Chloride ion
2. Bromide ion
3. Iodide ion
4. Nitrate ion

Question’s Answer: Chloride ion

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Which of these gas turns lime water milky?

1. NO
2. CO₂
3. SO₂
4. Both B and C

Question’s Answer: Both B and C

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Which of these radicals gives yellow ppt with silver nitrate solution?

1. Phosphate ion
2. Sulfate ion
3. Oxalate ion
4. None of A, B, and C

Question’s Answer: Phosphate ion

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Which of these anion gives white ppt on heating with magnesium sulfate solution?

1. Carbonate
2. Bicarbonate
3. Sulfite
4. Nitrate

Question’s Answer: Bicarbonate

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Yellow ammonium sulfide solution is helpful and used to separate Which of these pair of species?

1. CuS and PbS
2. CdS and As₂S₃
3. CuS and BizS₃
4. PbS and BizS₃

Question’s Answer: CdS and As₂S₃

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Which of these anion is an interfering radical?

1. Carbonate
2. Nitrate
3. Sulfate
4. Phosphate

Question’s Answer: Phosphate

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Which of these basic radical gives red or brown ppt with Nessler’s reagent solution?

1. Ammonium ion
2. Na-ion
3. Ca-ion
4. K-ion

Question’s Answer: Ammonium ion

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Which of these basic radical gives white ppt with potassium pyroantimunate solution?

1. K-ion
2. Ca-ion
3. Na-ion
4. Ammonium ion

Question’s Answer: Na-ion

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Which of these basic radical gives A rose red ppt with DMG solution?

1. Zn-ion
2. Na-ion
3. Ni-ion
4. Ca-ion

Question’s Answer: Ni-ion

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Which of these basic radical gives lake test?

1. Al-ion
2. Na-ion
3. Ca-ion
4. Zn-ion

Question’s Answer: Al-ion

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Which of these basic radical gives brick red flame?

1. K⁺
2. Ca⁺⁺
3. Na⁺
4. Zn⁺⁺

Question’s Answer: Ca⁺⁺

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Which of these basic radical gives green flame?

1. Ba⁺⁺
2. Na⁺
3. Ca⁺⁺
4. K⁺

Question’s Answer: Ba⁺⁺

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Which of these basic radical gives violet flame?

1. K⁺
2. Na⁺
3. Ca⁺⁺
4. Ba⁺⁺

Question’s Answer: K⁺

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Which of these basic radical gives bluish flame?

1. K⁺
2. Na⁺
3. Cu⁺⁺
4. Ca⁺⁺

Question’s Answer: Cu⁺⁺

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Which of these acid radical gives palm test with fruity smell?

1. Acetate
2. Sulfate
3. Carbonate
4. Nitrate

Question’s Answer: Acetate

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The group reagent for group I is acid?

1. HCI
2. Dil. Acetic
3. Dil sulfuric acid
4. Dil. HNO₃

Question’s Answer: HCI

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The group reagent for group IIA is

1. Dil. HCl + H₂S
2. Dil. Acetic acid
3. Dil sulfuric acid
4. Dil. HNO₃

Question’s Answer: Dil. HCl + H₂S

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The group reagent for group IIIA is

1. Dil. HNO₃
2. NH₄CI
3. NH₄Cl + NH₄OH
4. Dil. HCI

Question’s Answer: NH₄Cl + NH₄OH

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The group reagent for group IVA is

1. Dil. HNO₃
2. NH₄CI
3. Dil. HCI
4. NH₄Cl + NH₄OH + H₂S

Question’s Answer: NH₄Cl + NH₄OH + H₂S

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Which of these statements is wrong with regard to usual hazards in chemical lab?

1. Alkali metals are safe
2. Organic solvents are toxic
3. Strong acids are toxic
4. Strong bases are extremely

Question’s Answer: Alkali metals are safe

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Which of these statements is wrong with regard to usual hazards in chemical lab?

1. Strong alkylating agents are toxic
2. Gas cylinders cause no harm
3. Oxidizing agents react violently
4. Glassware may cut your skin

Question’s Answer: Gas cylinders cause no harm

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Which of these chemicals is carcinogenic in nature?

1. Polycyclic aromatics.
2. Cyanides
3. Arsenic
4. All A, B, and C

Question’s Answer: All A, B, and C

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Which member of the group IV is colorless

1. Zn⁺⁺
2. Ni⁺⁺
3. Cu⁺⁺
4. Mn⁺⁺

Question’s Answer: Zn⁺⁺

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Which of these statements is not true regarding primary standard?

1. It is easily available in state of purity
2. It is readily soluble in water
3. It is hygroscopic in nature
4. It solution is stable

Question’s Answer: It is hygroscopic in nature

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Titrations involving oxidation and reduction reactions are called

1. Redox titration
2. Idometry
3. Argentometry
4. Complexometry

Question’s Answer: Redox titration

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Which of these reagents are helpful and used as oxidizing agents?

1. KMnO₄
2. Potassium bromate
3. K₂Cr₂O₇
4. All A, B, and C

Question’s Answer: All A, B, and C

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Which of these reagents are helpful and used as reducing agents?

1. Na₂S₂O₃
2. KMnO₄
3. Potassium bromate
4. K₂Cr₂O₇

Question’s Answer: Na₂S₂O₃

Titrations where a reducing agent is directly titrated against a standard iodine solution is called

1. Iodimetry
2. Iodometry
3. Argentometry
4. Gravimetry

Question’s Answer: Iodimetry

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Which of these is not an acid radical?

1. CI^–
2. Br^–
3. K⁺
4. I^–

Question’s Answer: K⁺

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Which of these radical is not a member of III group?

1. Ca²⁺
2. Fe²⁺
3. Fe³⁺
4. Al³⁺

Question’s Answer: Ca²⁺

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Titrations where iodine is liberated as a result of chemical reactions involving oxidation of an iodide ion is called

1. Argentometry
2. Iodometry
3. Gravimetry
4. Iodimetry

Question’s Answer: Iodometry

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______ is the volumetric analysis in which a solution of silver nitrate is titrated against a halide or thiocyanate ion?

1. lodimetry
2. Iodometry
3. Argentometry
4. Gravimetry

Question’s Answer: Argentometry

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The method which involves the separation of the constituents in the form of an insoluble compound is called

1. Argentometry
2. Gravimetry
3. Todimetry
4. Iodometry

Question’s Answer: Gravimetry

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Which of these species is not a basic radical?

1. Ag⁺
2. Ba⁺⁺
3. CI^–
4. Al⁺⁺⁺

Question’s Answer: CI^–

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Which of these radical is not a member of IV group?

1. Zn²
2. Co²⁺
3. Ni²⁺
4. Mg²⁺

Question’s Answer: Mg²⁺

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Which of these acid radical is not interfering?

1. Phosphate
2. Borate
3. Fluoride
4. Sulfate

Question’s Answer: Sulfate

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Which of these acid radical gives chromyl chloride test?

1. CI^–
2. Br^–
3. F^–
4. I^–

Question’s Answer: CI^–

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Which of these group reagent is helpful and used for III group of basic radical?

1. NH₄OH + H₂S
2. H₂S+HCI
3. NH₄OH +NH₄CH
4. Dilute HCI

Question’s Answer: NH₄OH + H₂S

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NH4OH in the presence of HS is helpful and used as a group reagent for Which of these group?

1. Group IV
2. Group II
3. Group III
4. Group I

Question’s Answer: Group IV

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Which of these chloride is soluble in hot water?

1. Hg₂Cl₂
2. AgCl
3. PbCl₂
4. All A, B, and C

Question’s Answer: PbCl₂

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Which of these sulfide is yellow in color?

1. Cds
2. PbS
3. Cus
4. HgS

Question’s Answer: Cds

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A mixture containing S^2- and SO₃^2- treating with dil. HCl will produce

1. H₂S and SO₂ gas
2. SO₂ gas
3. CO₂ gas
4. H₂S gas

Question’s Answer: H₂S and SO₂ gas

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Which of these salt is green in color?

1. Mn salt
2. Co salt
3. Cr salt
4. Ba salt

Question’s Answer: Cr salt

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Which of these statements is not true regarding secondary standard?

1. It is easily available in state of purity
2. It is not readily soluble in water
3. It solution is not stable
4. It is hygroscopic in nature

Question’s Answer: bIt is easily available in state of purity

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Which of these mixture/solution is helpful and used for cleansing of glass apparatus?

1. Dichromate and sulfuric acid mixture
2. Detergent solution
3. Soap solution
4. All A, B, and C

Question’s Answer: All A, B, and C

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Which is the volumetric analysis involving EDTA?

1. Idometry
2. Complexometry
3. Argentometry
4. Redox titration

Question’s Answer: Complexometry

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Which of these indicators is helpful and used in chelatometry?

1. Solochrome Black 6B
2. Eriochrome Black T
3. Mureoxide
4. All A, B, and C

Question’s Answer: All A, B, and C

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Which of these acid radical give organic layer test?

1. I^–
2. CO₃^2-
3. So₄^2-
4. CI^–

Question’s Answer:I^–

More Inorganic Chemistry MCQs

1. Chemical Bonding MCQs
2. Acids and Bases in inorganic chemistry MCQs
3. Boron And Aluminum MCQs
4. Carbon and Silicon MCQs
5. Hydrogen, Alkali, and Alkaline Earth Metals MCQs
6. D-Block Elements MCQs [Chemistry]
7. F-Block Elements MCQs
8. Halogens MCQs
9. Inert Gases MCQs
10. Nitrogen and Phosphorus MCQs
11. Oxygen and Sulphur MCQs
12. Experimental Inorganic Chemistry MCQs
13. Periodic Classification Of Elements And Periodicity Of Properties MCQs
14. CHEMISTRY MCQs From all subjects of  Chemistry