\[{{C}_{2}}{{H}_{2}}\xrightarrow[Dil.{{H}_{2}}S{{O}_{4}}]{HgS{{O}_{4}}}P\xrightarrow{(0)}\] \[Q\xrightarrow[Pyridine]{SOC{{l}_{2}}}R\xrightarrow{{{({{C}_{2}}{{H}_{5}})}_{2}}Cd}S\] The end product in the above sequence of reactions is

\[{{C}_{2}}{{H}_{2}}\xrightarrow[Dil.{{H}_{2}}S{{O}_{4}}]{HgS{{O}_{4}}

1.	\[{{C}_{2}}{{H}_{2}}\xrightarrow[Dil.{{H}_{2}}S{{O}_{4}}]{HgS{{O}_{4}}}P\xrightarrow{(0)}\] \[Q\xrightarrow[Pyridine]{SOC{{l}_{2}}}R\xrightarrow{{{({{C}_{2}}{{H}_{5}})}_{2}}Cd}S\] The end product in the above sequence of reactions is
A.	Ethylethanal
B.	2-Butanone
C.	Propanal
D.	Propanone
Answer» C. Propanal

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\[{{C}_{2}}{{H}_{2}}\xrightarrow[Dil.{{H}_{2}}S{{O}_{4}}]{HgS{{O}_{4}}}P\xrightarrow{(0)}\] \[Q\xrightarrow[Pyridine]{SOC{{l}_{2}}}R\xrightarrow{{{({{C}_{2}}{{H}_{5}})}_{2}}Cd}S\] The end product in the above sequence of reactions is

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