Which compound is classified as benzonitrile (benzene carbonitrile or cyanobenzene)? i) Anisole (methoxybenzene or methyl phenyl ether) ii) Benzene (phenyl hydride) iii) Benzonitrile (benzene carbonitrile or cyanobenzene) iv) Chlorobenzene a) i and iii b) ii and iv c) iii and iv d) i and ii