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Which of the following reagents is used ...

Which of the following reagents is used to convert - COOH group to `CH_(3)` group ?

A

Red P and HI

B

`LiAlH_(4)`

C

`Na,C_(2)H_(5)OH`

D

`Zn+HCl`.

Text Solution

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The correct Answer is:
A
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MODERN PUBLICATION-ALDEHYDES , KETONES AND CARBOXYLIC ACIDS-Level -II (Multiple Choice Questions )
  1. The weakest acid among the following is :

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  2. The carboxylic acid which does not undergo Hell Volhard Zelinsky react...

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  3. Which of the following reagents is used to convert - COOH group to CH(...

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  4. A useful derivative to identify carboxylic acids is :

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  5. Hydrolysis of benzonitrile gives :

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  6. Which of the following cannot reduce Fehling solution ?

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  7. Acetic anhydride is obtained by the reaction of :

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  8. The correct order of reactivity is :

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  9. Reduction of lactic acid with excess of HI gives :

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  10. In Claisen condensation , two molecules of ester get condensed in the ...

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  11. Which of the following acids in most reactive towards esterification w...

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  12. When acetic acid reacts with calcium , a gas is evolved . The gas is :

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  13. The number of isomeric carboxylic acids posible for C(4)H(9)COOH are ...

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  14. In the reaction sequence , C(2)H(5)OHoverset(PBr(3))toAoverset(KCN)toB...

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  15. The strongest acid among the following is :

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  16. The correct order of decreasing acidity of the following is : (I) ...

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  17. In the reaction , n- Hexanenitrile underset(H(2)O)overset(H(3)O^(+))to...

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  18. overset("Heat")toAoverset(NH(3))toBoverset(NaOH)toCunderset(KOH)overse...

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  19. Methyl group attached to benzene can be oxidised to carboxyl group by ...

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  20. Oxidation of toluene with CrO(3) in the presence of (CH(3)CO)(2)O give...

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