A

resonating structures

B

tautomers

C

geometrical isomers

D

optical isomers

Text Solution

Verified by Experts

The correct Answer is:
A

Structure `I` and structure `II` are the resonating forms because the position of atoms remain the same and only redistribution of electrons take place.
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A2Z-SOME BASIC PRINCIPALS OF ORGANIC CHEMISTRY-AIPMT/ NEET Questions

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  2. Geometrical isomers differ in:

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  3. Which one is a nucleophilic substitution reaction among the following?

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  4. The molecule formula of diphenyl methane is C(13)H(12). How many ...

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  5. Which one of the following pairs represent stereoisomerism?

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  6. If there is no rotation of plane polarized light by a compound in a sp...

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  7. The most stable carbocation is:

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  8. Which of the following undergoes nucleophilic substitution exclusively...

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  9. The chirality of the compound is

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  10. Which of the following is not chiral?

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  11. The correct order of nucleophilicity is

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  12. CH(3)-CHCl-CH-CH(3) has a chiral centre. Which one of the following re...

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  13. Base strength of (1) H(3)Coverset(Theta)(C)H(2), (2) H(2)C=overset(...

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  14. In a S(N)2 substitution reaction of the type R-Br+Cl^(-) overset("DM...

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  15. The stability of carbanions in the following

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  16. Which one of the following is the most reactive towards electrophilic ...

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  17. A strong base can abstract an alpha-hydrogen from

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  18. How many stereoisomerse does this molecule has? CH(3)CH=CHCH(2)CHBrC...

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  19. Which of the following reactions is an example of nucleophilic substit...

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  20. In the following the most stable conformation of n-butane is:

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