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A mixture when rubbed with oxalic acid s...

A mixture when rubbed with oxalic acid smells like vinegar. It contains salt of :

A

sulphate

B

nitrate

C

nitrite

D

acetate

Text Solution

Verified by Experts

The correct Answer is:
D
Oxalic acid reacts with acetate salt (e.g. sodium acetate) to form acetic acid which has vinegar smell.
`{:(2CH_(3)COONa,+,(COOH)_(2),),("Sod. acetate",,"oxalic aicd",),(,,darr,),(2CH_(3)COOH,+,(COONa)_(2),),("Acetic acid.",,"Sod. oxalate",),(("vinegar smell"),,,):}`
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