1.

CaC_2overset( H_2O) to A+B . A overset( HgSO_4+H_2SO_4) to C. C overset( K_2Cr_2O_7+H_2SO_4) to DHere A, B , C and D are respectively .

Answer»

`CH -= CH , CA(OH)_2, CH_3 CHO and CH_3 COOH`
`Ca(OH)_2, CH -= CH , CH_3CHO and (CH_3COO)_2Ca`
`CH -= CH, Ca(OH)_2, CH_3 CHO and (CH_3 COO)_2Ca`
`CH -= CH , CH_3 CHO, Ca(OH)_2and (CH_3 COO)_2 Ca`

Answer :A


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