An unknown compound A has a molecular formula \[{{C}_{2}}{{H}_{6}}\], – McqOptions

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1.	An unknown compound A has a molecular formula \[{{C}_{2}}{{H}_{6}}\], when A is treated with an excess of\[B{{r}_{2}}\], a new substance B with formula \[{{C}_{4}}{{H}_{6}}B{{r}_{2}}\]is formed. A forms a white precipitate with ammonical silver nitrate solution. A may be
A.	Butyne-1
B.	Butyne-2
C.	Butene-1
D.	Butene-2
Answer» B. Butyne-2

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