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Arrange the following molecules in the c...

Arrange the following molecules in the correct order of decreasing C-C bond length:

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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OP TANDON-INTRODUCTION TO ORGANIC CHEMISTRY -OBJECTIVE QUESTIONS (Level-A)
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  2. Among the following, the molecule with the highest dipole moment is :

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  3. Arrange the following molecules in the correct order of decreasing C-C...

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  4. The bond energy (in kcal mol^(-1)) of a C -c single bond is approximat...

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  5. Which of the following pairs have identical bond order?

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  6. The correct order of bond energy is:

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  7. All carbon atoms are sp^(2)-hybridised in:

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  8. Resonance occurs due to the :

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  9. Resonance structures of a molecule do not have:

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  10. Maximum number of sigma bonds that may be present in an isomer of C(4)...

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  11. How many sigma and pi-bonds are there in the molecule of dicyanoethene...

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  12. Which of the following compounds shows evidence of the strongest hydro...

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  13. The hydrogen bond is strongest in which one of the following?

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  14. Increasing order of carbon-carbon bond length for the following is: ...

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  15. The correct order of boiling points of hydrogen halide is:

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  16. Among the following, the correct order of acidity is:

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  17. The state of hybridization of C(2),C(3),C(5) and C(6) of the hydrocarb...

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  18. Types of hybridisation of carbon atoms noted as 1 and 2 are: H(2)C=o...

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  19. Which of the following organic compounds has the same hybridization as...

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  20. In allene (C(3)H(4)), the type (s) of the carbon atom (s) is (are) :

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