1.

An organic compound 'A' burns with a sooty flame . It is negative towards Tollen's reagent test and positive for Borsche's reagent test . The compound 'A' is

Answer»

Benzaldehyde
Acetophenone
Acetone
Salicylic acid

Solution :IGNITION test - burning with a SOOTY flame indicates PRESENCE of AROMATIC compound .
Negative test toward's Tollen's reagent indicates absence of aldehydes .
Positive test for Borsche's reagent test indicates KETONES (possibility of aldehydes being nullified) .
So 'A' is an aromatic ketone .


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