1.

Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted gaseous hydrocarbon less than four carbon atoms. (A) is

Answer»

`CH_(4)`
`CH-=CH`
`CH_(3)-CH_(3)`
`CH_(2)=CH_(2)`

Solution :`UNDERSET("Methene")(CH_(4)overset(Br_(2))underset(hv)rarr) underset("methene")underset("Bromo")(CH_(3)Br)overset(" NA ")underset(" dry ether ")rarr underset("ethene")(CH_(3)-CH_(3))`


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