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The C-C bond length of the following mol...

The `C-C` bond length of the following molecules is in the order

A

`C_(2)H_(6) gt C_(2)H_(4) gt C_(6)H_(6) gt C_(2)H_(2)`

B

`C_(2)H_(2) lt C_(2)H_(4) lt C_(6)H_(6) lt C_(2)H_(6)`

C

`C_(2)H_(6) lt C_(2)H_(2) lt C_(6)H_(6) lt C_(2)H_(4)`

D

`C_(2)H_(4) gt C_(2)H_(6) gt C_(2)H_(2) gt C_(6)H_(6)`

Text Solution

Verified by Experts

The correct Answer is:
B
`{:(underset(1.20Å)(C_(2)H_(2)),lt,underset(1.34Å)(C_(2)H_(2)),lt,underset(1.39 Å)(C_(6)H_(6)),lt,underset(1.54 Å)(C_(2)H_(6))):}`
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A2Z-SOME BASIC PRINCIPALS OF ORGANIC CHEMISTRY-Section D - Chapter End Test
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  3. The C-C bond length of the following molecules is in the order

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  4. In the reaction CH(3)CHO+HCNtoCH(3)CH(OH)CN a chiral centre is produce...

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  5. Cyclic hydrocarbon molecules 'A' has all the carbon and hydrogen in a ...

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  6. Which of the following compounds may not exist as enantiomers?

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  7. Number of isomers of molecular formula C(2)H(2)Br(2) are

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  8. Which one of the following is an optically acitve compound?

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  9. Which of the following compounds shows optical isomerism?

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  10. The total number of isomers of a disubstituted benzene compound is

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  11. Number of optical isomers of lactic acid are

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  12. n-butane and isobutane are examples of

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  13. Which of the following has chiral structure?

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  14. Which of the following pairs is an example of position isomerism?

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  15. Geometrical isomerism is shown in

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  16. An organic compound exhibits optical isomerism when

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  17. How many total isomers exit for compound with composition C(4)H(8)?

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  18. Which of the following can exhibit cis-trans isomerism?

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  19. Mesotartaric acid is optically inactive due to the presence of:

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  20. Which of the following compounds exhibits optical isomerism?

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