Hyperconjugation and Inductive Effect MCQs
Hyperconjugation and Inductive Effect MCQs
________is known as the Baker-Nathan effect
(A). Hyperconjugation
(B). Inductive effect
(C). Mesomeric effect
(D). Electromeric effect
(E). None of these
Multiple Choice Question Answer: a
How the electronegativity gets affected by a negative oxidation state?
(A). None of the mentioned
(B). It increases
(C). It remains constant
(D). It decreases
(E). None of these
Multiple Choice Question Answer: d
The consequence of Baker-Nathan effect is _______
(A). This is always helpful in explaining the directive influence of the alkyl groups in an aromatic alkyl benzene
(B). All of the mentioned
(C). This is always helpful in explaining relative stabilities of the alkyl carbocations
(D). This is always helpful in explaining the relative stability of the alkenes
(E). None of these
Multiple Choice Question Answer: b
The permanent electron displacement effect is _______
(A). Inductive
(B). Electromeric
(C). Inductomeric
(D). All of the mentioned
(E). None of these
Multiple Choice Question Answer: a
Larger the number of hyperconjugation structures, what will happen to the stability of free radicals?
(A). None of the mentioned
(B). Decrease
(C). Remains the same
(D). Increase
(E). None of these
Multiple Choice Question Answer: d
On increasing the number of a-hydrogens, what will be the number of the hyperconjugation structures?
(A). Decrease
(B). Remains the same
(C). Increase
(D). None of the mentioned
(E). None of these
Multiple Choice Question Answer: c
Which of the following is The compound that can be most readily sulphonated?
(A). Benzene
(B). Chlorobenzene
(C). Nitrobenzene
(D). Toluene
(E). None of these
Multiple Choice Question Answer: d
The application of inductive effect is _______
(A). All of the mentioned
(B). Dipole moment
(C). Strength of carboxylic acids
(D). Bond length
(E). None of these
Multiple Choice Question Answer: a
Which of the following is The resonance energy (kCal/mol) of tertiary butyl?
(A). 12
(B). 10
(C). 11
(D). 9
(E). None of these
Multiple Choice Question Answer: a
The Relative basic strength of amines never depends upon which of the following?
(A). Inductive effect
(B). Steric effect
(C). Mesomeric effect
(D). Stabilisation of cation by hydration
(E). None of these
Multiple Choice Question Answer: c
Because of the presence of C – X polar bond in alkyl halide, what are the alkyl halides?
(A). None of the mentioned
(B). Less reactive than the corresponding alkane
(C). Equally reactive as the corresponding alkane
(D). More reactive than the corresponding alkane
(E). None of these
Multiple Choice Question Answer: d
When the contributing structure contains the same number of two-electron bonds as the normal lewis formula, what will this be?
(A). Isovalent hyperconjugation
(B). Sacrificial hyperconjugation
(C). Heterovalent hyperconjugation
(D). All of the mentioned
(E). None of these
Multiple Choice Question Answer: a
The Ethene is devoid of any alpha hydrogen so hyperconjugation is never possible.
(A). False
(B). True
(E). None of these
Multiple Choice Question Answer: b
On which of the following factors the electronegativity depends upon?
(A). Both valence state and hybridization
(B). Hybridisation
(C). Valence state of an atom
(D). None of the mentioned
(E). None of these
Multiple Choice Question Answer: a
How Electronegativity is defined?
(A). the power of an atom in a molecule to Repel electrons towards itself
(B). the power of an atom in a molecule to Expand itself
(C). the power of an atom in a molecule to attract electrons towards itself
(D). All of the mentioned
(E). None of these
Multiple Choice Question Answer: c
The Hyperconjugation involves which of the following delocalization?
(A). None of the mentioned
(B). p bond orbital
(C). Both s and p bond orbital
(D). s bond orbital
(E). None of these
Multiple Choice Question Answer: d
Which of the following is the Number of hyperconjugation structures in isopropyl radical?
(A). 3
(B). 9
(C). 6
(D). 12
(E). None of these
Multiple Choice Question Answer: c
Which of the following will be The electronegativity of sp2 hybridised atom?
(A). 2.75
(B). 2.48
(C). 3.69
(D). 3.29
(E). None of these
Multiple Choice Question Answer: a
How we will Arrange the following groups in the order of decreasing (-I) effect?
(A). CN > F > Br > Cl > COOH > I > H
(B). CN > COOH > F > Cl > Br > I > H
(C). H > COOH > CN > I > Cl > F > Cl
(D). COOH > CN > F > Br > Cl > I > H
(E). None of these
Multiple Choice Question Answer: b
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