Distingush test between ethanal nd propanal
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Posted by Shubro Nath 5 years, 11 months ago
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Sandeep Tyagi 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
Ethanal and propanal can be distinguished by iodoform test.
Iodoform test
Aldehydes and ketones having at least one methyl group linked to the carbonyl carbon atom responds to the iodoform test. Ethanal having one methyl group linked to the carbonyl carbon atom responds to this test. But propanal does not have a methyl group linked to the carbonyl carbon atom and thus, it does not respond to this state.
CH3CHO + 3NaOI→HCOOONa + CHI3 + 2NaOH
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