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The observed dipole moment of nitrometha...

The observed dipole moment of nitromethane is highly than the dipole moment calculated from electronegativity of carbon, nitrogen and oxygen atoms because of

A

hyperconjugation effect

B

resonance effect

C

inductive resonence

D

`H`-bonding

Text Solution

Verified by Experts

The correct Answer is:
A
In nitromethane, hyperconjugate occure signigicantely as

The above hyperconjugation and involved charge separtion is responsible for the large dipole moment of nitromethane than calculated theoretically.
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A2Z-SOME BASIC PRINCIPALS OF ORGANIC CHEMISTRY-Section D - Chapter End Test
  1. The following reaction is described as

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  2. Which of the following is the most stable cation?

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  3. The observed dipole moment of nitromethane is highly than the dipole m...

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  4. Dehydrohalogenation in presence of OH^(-) is correct represented by

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  5. Among the following the aromatic compound is

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  6. Which of the following compounds are not arranged in order of decreasi...

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  7. Most stable carbonium ion is :

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  8. Which one of the following species is most stable

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  9. Which of the following gives most stable carbocation by dehydration

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  10. Which of the following free radicals would be expected to be most sele...

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  11. The +I effect of alkyl groups is in the order

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  12. How many carbon atoms in the molecule HCOO-(CHOH)(2)-COOH are asymmetr...

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  13. With a change in hybridisation of the carbon bearing the charge, the s...

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

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

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

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

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

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

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  20. Which of the following compounds shows optical isomerism?

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