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`CaC_2+H_2O to A overset(H_2SO_4//HgSO_4)toB`. Identify A and B in the given reaction

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`CaC_2+H_2O to A overset(H_2SO_4//HgSO_4)toB`. Identify A and B in the given reaction
A. `C_2H_2` and `CH_3CHO`
B. `CH_4` and HCOOH
C. `C_2H_4` and `CH_3COOH`
D. `C_2H_2` and `CH_3COOH`
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Correct Answer - A
Wohler reaction :
`CaC_2 + 2H_2O to C_2H_2 + Ca(OH)_2`
`underset"Acetylene"(C_2H_2)underset(60^@C)overset(dil. H_2SO_4//HgSO_4)to underset"Unstable"([CH_2=CHOH]) to underset"Acetaldehyde"(CH_3CHO)`
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