Verified Solution • 2025–26 Session moderate

QJEEM21Che254: JEE Main 2021 Chemistry - Class 11 JEEM21Che254 Solution: Given below are two statements : Statement I : Hyperconjugation …

Given below are two statements :

Statement I : Hyperconjugation is a permanent effect.

Statement II : Hyperconjugation in ethyl cation (CH3−C+H2)\left( {C{H_3} - \mathop C\limits^ + {H_2}} \right) involves the overlapping of Csp2−H1s{C_{s{p^2}}} - {H_{1s}} bond with empty 2p orbital of other carbon.

Choose the correct option :

Multiple Choice Options

  • A Both statement I and statement II are false
  • B Statement I is incorrect but statement II is true
  • C Statement I is correct but statement II is false
  • D Both statement I and statement II are true.

Step-by-Step Verified Solution

Statement I : It is correct statement

Statement II : CH3−CH2⊕C{H_3} - \mathop {C{H_2}}\limits^ \oplus involve Csp3−H1s{C_{s{p^3}}} - {H_{1s}} bond with empty 2p orbital hence given statement is false.

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