Organic Conducting Polymers and Origin of spectrum MCQs
Conducting polymers that are having conjugation is always a type of intrinsically conducting polymers.
(A). Â False
(B). Â True
(E). None of these
Multiple Choice Question Answer: Â b
Multiple Choice Question Answer:Â d
Not true for the intrinsically conducting polymers is ________
(A). Â Good storage stability
(B). Â Poor mechanical strength
(C). Â Improcessability
(D). Low conductivities
(E). None of these
Multiple Choice Question Answer:Â a
We always use the Emeraldine base form of the polyaniline as a resist for the lithography.
(A). Â False
(B). Â True
(E). None of these
Multiple Choice Question Answer: Â b
Which of the following is the Bakelite?
(A). Â Solid
(B). Â Gas
(C). Â Gel
(D). Â Liquid
(E). None of these
Multiple Choice Question Answer: Â a
Which of the following is the advantage of using conducting polymers in place metals?
(A). Â Cost
(B). Â Solubility
(C). Â Thermal conductivity
(D). Â Light-weight
(E). None of these
Multiple Choice Question Answer: Â d
The energy of a photon is given by Which of the following?
(A). 1/hν
(B).  hν
(C). ν/h
(D). 1/hν
(E). None of these
Multiple Choice Question Answer: Â b
The Absorption spectrum results when an electron in an atom undergoes a transition from Which of the following?
(A). Â Lower energy level to a higher one
(B). Â Higher energy level to a lower one
(C). Â Intermediate levels
(D). Â All of these
(E). None of these
Multiple Choice Question Answer:Â a
Which of the following are the spectra can be broadly classified into two categories?
(A). Â None of these
(B). Â Atomic and electronic spectra
(C). Â Molecular and electronic spectra
(D). Â Â Atomic and molecular spectra
(E). None of these
The necessary condition for absorption spectrum is that h? should always be __________
(A). Â equal to the energy difference
(B). Â smaller than the energy difference
(C). Â greater than the energy difference
(D). Â none of these
(E). None of these
Multiple Choice Question Answer: Â a
Which of the following is the energy level with lower energy?
(A). Excited-state energy level
(B). Â Initial state energy level
(C). Â Â Ground state energy level
(D). Â All of these
(E). None of these
Multiple Choice Question Answer: Â c
Which of the following is the analysis of electromagnetic radiation scattered, absorbed or emitted by the molecule?
(A). Â Kaleidoscopy
(B). Â Astronomy
(C). Â Anatomy
(D). Â Spectroscopy
(E). None of these
Multiple Choice Question Answer:Â d
Spectroscopy deals with the transition that a molecule always undergoes on the absorption of the suitable radiations that are determined by quantum mechanical selection rules.
(A). Â False
(B). Â True
(E). None of these
Multiple Choice Question Answer: Â b
In the atomic spectroscopy, just the electronic transitions are involved in it.
(A). Â False
(B). Â True
(E). None of these
Multiple Choice Question Answer: Â b
We use __________ to make the rechargeable batteries
(A). Â Polyaniline
(B). Â Polyester
(C). Â Polypyrrole
(D). Â Polyacrylonitrile
(E). None of these
Multiple Choice Question Answer:Â a
The precipitate is dried under vacuum at 60-80 0C for Which of the following?
(A). Â 8 hours
(B). Â 2 hours
(C). Â 5 hours
(D). 1 hour
(E). None of these
Multiple Choice Question Answer: Â a
Which of the following is the color of emeraldine salt that is obtained?
(A). Â Copper tint
(B). Â Green
(C). Â Blue green
(D). Â Light blue
(E). None of these
Multiple Choice Question Answer:Â b
Not an application of conducting polymers is ___________
(A). Â Rechargeable batteries
(B). Â Adhesives
(C). Â Electronics
(D). Â Analytical sensors
(E). None of these
Multiple Choice Question Answer: Â b
During the polymerization of polyaniline, Which of the following is the sequence of the color change?
(A). Â Green — copper tint — blue-green — light blue
(B). Â Blue-green — green — light blue — copper tint
(C). Â Copper tint — blue-green — green — light blue
(D). Â Â Light blue — blue green — copper tint — green
(E). None of these
Multiple Choice Question Answer: d
The final washings of the salt are done with Which of the following?
(A). Â Distilled water
(B). Â Methanol
(C). Â Diethyl ether
(D). Â Acetone
(E). None of these
Multiple Choice Question Answer: Â c
Engineering Chemistry MCQs
Solved MCQs of engineering Chemistry.
- Engineering Chemistry Important MCQs
- Adsorption Isotherm MCQs | Chemistry
- Biodegradable Polymers MCQs
- Chromatography MCQs Â
- Polymer MCQs
- Chirality MCQs
- Conductivity and Conformations MCQs
- Crystallization and Dendrimers MCQs
- Distillation and Effect of Temperature on reaction rate
- Elastomers MCQs
- Electromeric Effect and Electronic Spectroscopy MCQs
- Electrophilic Substitution Reaction MCQs
- Engineering Materials and Fibers MCQs
- Fission of Covalent Bond MCQs
- Fractional Distillation MCQs
- Gibb’s Phase Rule Solved MCQs
- Hybridization, Homonuclear and Heteronuclear Molecules MCQs | Chemical Engineering MCQs
- Hyperconjugation and Inductive Effect MCQs
- Chemical Reactions MCQs
- Intermolecular Forces and Melting Point MCQs
- Laws of Photochemistry and Mesomeric Effect MCQs
- Micelles and Molecular Aggregation MCQs Questions Answers
- Molecular Spectroscopy and Molecularity of a Reaction MCQs
- Nuclear Magnetic Resonance and Components MCQs Questions Answers
- Nucleophilic Substitution Reaction MCQs
- Optical Isomerism and Order of a Reaction MCQs
- Organic Conducting Polymers and Origin of spectrum MCQs
- Particle Size Measurement and Pseudo Order Reaction MCQs
- Phases and Components MCQs
- Photochemical Reactions and Photosynthesis MCQs
- Polymerization, Polymer Blends, and Polymeric Composites MCQs
- Quantum MCQs
- Silicones and Polymeric Composites and R, S- Configuration and Water Softening MCQs
- Stereoselectivity, Stereospecificity and Stereo Structure of Polymers MCQs
- Steam Distillation and Surface Tension MCQs
- Thermoplastic Polymers MCQs
- Chromatography and Vibrational Spectroscopy MCQs
- Valence Bond Theory and Two-Component System MCQs
