1.

For the reation given below, identify X in the reaction CH_3C -= CCH_3 overset(X)rarr CH_3COCOCH_3

Answer»

`K_2Cr_2O_7//H_2SO_4`
`O_2`
`O_3, Zn//H_2O`
`HNO_3`

ANSWER :C


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