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designated by alpha, beta, gamma and del...

designated by `alpha, beta, gamma` and `delta` are in order:

A

`alpha = gamma lt beta = delta`

B

`alpha lt beta lt gamma = delta`

C

`alpha lt gamma = delta lt beta`

D

all are equal

Text Solution

Verified by Experts

The correct Answer is:
C
Length of `gamma` and `delta` will be same due to the resonance.
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OP TANDON-INTRODUCTION TO ORGANIC CHEMISTRY -OBJECTIVE QUESTIONS (Level-B)
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  2. Order of arrangement of the following compounds with increasing dipole...

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  4. Which one of the following compounds is an allylic halide?

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  5. The compound in which all carbon atoms use only sp^(3)-hybrid orbitals...

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  8. Arrange the following molecules in increasing order of sigma to pi bon...

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  9. Arrange the following C-H bonds (alpha, beta, gamma) in decreasing ord...

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  10. In the reaction, CH(3)-underset(**)overset(O)overset(||)(C)-NH(2) un...

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  11. Arrange the following resonating structures of formic acid in order of...

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  12. Arrange the following resonating structures in the order of decreasing...

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  13. Among the following four structures, one is not a permissible resonanc...

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  14. Identify the weakest C-H bond among the following: H-overset(H)overs...

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  15. Which of the following is the correct sequence of the bond length?

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  16. Arrange the following bonds in decreasing order of bond length: {:(C...

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  17. Which of the following compounds has weakest C-X bonds?

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  18. How many electrons are present in the p-orbitals of methyl cation?

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  19. In which of the following , delocalisation of pi-electrons is/are poss...

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  20. In the given Dewar structure of benzene, which of the following statem...

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