EASY
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Oxalic acid is a strong reducing agent.

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Important Questions on Carboxylic Acids and their Derivatives

HARD

The major product obtained in the following reaction is:
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MEDIUM

The major product of the following chemical reaction is :

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MEDIUM

The following transformation

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can be carried out in three steps. The reagents required for these three steps in their correct order, are:

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The major product of the following reaction is:
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HARD
The compound obtained by heating salicylic acid with phenol in the presence of phosphorus oxychloride is
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When benzoic acid is treated with PCl5 at 1000C, it gives
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When benzoic acid is treated with PCl5 at 1000C, it gives
EASY

 Complete each synthesis by giving missing starting material, reagent or products.

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EASY
The reagent which does not give acid chloride on treating with a carboxylic acid is
HARD
Isopropyl amine with excess of acetyl chloride will give
MEDIUM
The main product formed in the following reaction is

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MEDIUM
Identify the reagents A and B respectively in the following reactions

CH3COOH ACH3COCl BCH3CHO
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Amides are formed by the reaction of acid chloride with
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Reaction of aniline with acetyl chloride in presence of NaOH  produce
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A compound (A) when treated with PCl5 and then ammonia gave (B). (B) when treated with bromine and caustic potash produced (C). (C) on treatment with NaNO2 and HCl at 0°C and then boiling produce ortho-cresol. Compound (A) is:
MEDIUM
The major product obtained in the following reaction is
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HARD

How will you bring about the following conversion in not more than two steps? 

Benzoic acid to Benzaldehyde