1.

CH_(3)CH_(2)OHoverset(K_(2)Cr_(3)O_(7)//H^(+))tounderset(__")('X')+H_(2)O 'X' is ______

Answer»

`CH_(3)CHO`
`CH_(3)COCH_(3)`
`CH_(3)COOCH_(3)`
`CH_(3)CN`

ANSWER :A


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