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In the preparation of an ester , the com...

In the preparation of an ester , the commonly used dehydrating agent is :

A

Phosphorus pentoxide

B

Anhydrous aluminium achloride

C

Anhydrous calcium chloride

D

Conc . Sulohuric acid .

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The correct Answer is:
D
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MODERN PUBLICATION-ALDEHYDES , KETONES AND CARBOXYLIC ACIDS-Level -I (Multiple Choice Questions ) (Dervatives of Carboxylic Acids)
  1. The reduction of ethyl acetate with LiAlH(4) gives :

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  2. Acetyl chloride on treating with ammonia gives :

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  3. Ethyl acetate reacts with NH(3) to give:

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  4. Ammonium acetate on heating gives :

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  5. When primary amides are treated with P(2)O(5), they give :

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  6. The IUPAC name of ethyl - alpha methyl butyrate is :

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  7. The reaction : C(6)H(5)COCl+H(2)overset(Pd,BaSO(4))toC(6)H(5)CHO+H...

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  8. Which of the following functional derivatives of carboxylic acid is le...

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  9. Sodium acetate and acetyl chloride react to give

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  10. Acetamide is :

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  11. Benzamide reacts with nitrous acid with the evolution of :

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  12. Which of the following derivatives of carboxy - lic acid on hydrolys...

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  13. How many acids and ester are possible for the compound with molecular...

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  14. When ethanamide is boiled with aqueous NaOH, the gas evolved is :

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  15. Hydrolysis of esters in alkaline medium is known as :

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  16. Which of the following is most reactive towards water ?

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  17. Acyl halide is formed by reacting PCl(5) with :

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  18. In the preparation of an ester , the commonly used dehydrating agent i...

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  19. The following reaction is called : 2CH(3)COOC(2)H(5)overset(OC(5)H...

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  20. The reaction is fastest when X is :

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