The specific sequence in which amino acids are arranged in a protein is called its

The correct name of the given reaction is

$$\mathrm{Ar}-\mathrm{N}_2^{+} \mathrm{X}^{-} \xrightarrow{\mathrm{CuCN} / \mathrm{KCN}} \mathrm{Ar}-\mathrm{CN}+\mathrm{N}_2$$

Out of the following alkenes, the one which will produce tertiary butyl alcohol on acid catalysed hydration is

Auto-oxidation of chloroform in air and light produces a poisonous gas known as