Electronic Effects (Inductive, Resonance, Hyperconjugation): JEE Questions & Solutions

From the following, the least stable structure is: (Assume standard resonance structures)

Given below are two statements: Statement I: ( CH₃)₃ C⁺ is more stable than CH₃⁺ as nine hyperconjugation interactions are possible in (…

Arrange the following carbanions in the decreasing order of stability: I. p-Br-C₆H₄-CH₂⁻ II. C₆H₅-CH₂⁻ III. p-CH₃O-C₆H₄-CH₂⁻ IV.…

Find out the statements which are not true. A. Resonating structures with more covalent bonds and less charge separation are more stable.…

The correct order of stability for the following carbanions is: CH₂=CH⁻, CH₃-CH₂⁻, CH≡ C⁻

The cyclic cations having the same number of hyperconjugation are:

The correct order of acidic strength of the major products formed in the given reactions is:

The most stable carbocation from the following is:

Which one of the carbocations from the following is most stable?

The correct order of stability of following carbocations is:

Consider the following compound (X): The most stable and least stable carbon radicals, respectively, produced by homolytic cleavage of…

Given below are two statements: Statement I: Hyperconjugation is not a permanent effect. Statement II: In general, greater the number of…

Given below are two statements. Statement I: The dipole moment of CH₃-CH=CH-CH=O (carbons numbered 4,3,2,1 from the methyl end) is greater…

In which pairs, the first ion is more stable than the second?

Which of the following has highly acidic hydrogen?

The order of relative stability of the contributing structures shown below is: (I) CH₂=CH-C H=O    (II) C ⊕H₂-CH=CH-O ⊖…

The ascending acidity order of the following (marked) H atoms is: A. HC ≡ C - H B. H₂C = CH - H C. (H₃C)₃C - H D. H₃C - CH₂ - H

The correct stability order of carbocations is:

The correct stability order of the following resonance structures of CH₃CH=CHCHO is:

Which will undergo deprotonation most readily in basic medium?

What is the correct order of acidity of the protons marked A-D in the given compounds?

The most stable carbocation for the following is:

The correct order of pKₐ values for the following compounds is:

Resonance in carbonate ion (CO₃²⁻) is:

The strongest acid from the following is:

The decreasing order of hydride affinity for following carbonations is: Choose the correct answer from the options given below:

A bicyclic alcohol — a cis-fused decalin (two fused cyclohexane rings) bearing a methyl group at one ring-fusion carbon and an OH group on…

Correct statements for the given reaction are: A. Compound 'B' is aromatic B. The completion of the above reaction is very slow C. 'A'…

Given below are two statements: Statement I: Tropolone is an aromatic compound and has 8π electrons. Statement II: The bond angle of C = O…

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The order of acidic…