The gas liberated at the anode by the electrolysis of a concentrated aqueous solution of dipotassium succinate is:

Addition of $HCl$ to vinyl chloride $(CH_2=CHCl)$ gives $1, 1-$dichloroethane $(CH_3-CHCl_2)$ because of:

Propene,$CH_3-CH=CH_2$ can be converted to $1-propanol$ by oxidation. Which set of reagents among the following is ideal to effect the conversion?

The reaction is $2\text{-methylbuta-1,3-diene} + HBr \rightarrow \text{products}$. Identify the correct statement regarding the products of this reaction.

An optically active alkene having molecular formula $C_8H_{16}$ gives acetone as one of the products on ozonolysis. The structure of the alkene is:

The product obtained when $2-$methylpropan$-2-$ol is treated with alumina $(Al_2O_3)$ at $423 \ K$ is