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Chemical Bonding and Molecular Structure question

2011 · Q110
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Chemical Bonding and Molecular Structure question

2011 · Q110

NEETChemistryChemical Bonding and Molecular StructureMCQ+4 / −1
The correct order of increasing bond length of C −-− H, C −-− O, C −-− C and C===C is
  1. A
    C −-− H < C===C < C −-− O < C −-− C
  2. B
    C −-− C < C===C < C −-− O < C −-− H
  3. C
    C −-− O < C −-− H < C −-− C < C===C
  4. D
    C −-− H < C −-− O < C −-− C < C===C
View written solutionFree

Correct answer: A

Increasing order of bond length is

C−H107 pm<C=C134 pm<C−O141 pm<C−C134 pm\mathop {C - H}\limits_{107\,pm} \lt \mathop {C = C}\limits_{134\,pm} \lt \mathop {C - O}\limits_{141\,pm} \lt \mathop {C - C}\limits_{134\,pm} 107pmC−H​<134pmC=C​<141pmC−O​<134pmC−C​

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