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Mark the compound which gives carbon wit...

Mark the compound which gives carbon with conc. `H_2SO_4`

A

Formic acid

B

Ethyl alcohol

C

Oxalic acid

D

Starch

Text Solution

Verified by Experts

The correct Answer is:
D
Starch (Polysaccharide-carbohydrate) undergoes dehydration (charring) on treatment with conc. `H_2SO_4` to give carbon
`(C_6H_10O_5)_n overset("conc." H_2SO_4)to6nC+5nH_2O`
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