Statement I: Aniline on reaction with ` NaNO_2HCl` at `0^@C` followed by coupling with `beta`-naphthol gives a dark blue coloured precipitate.
Statement II: The colour of the compound formed in the reaction of aniline with `NaNO_2//HCl` at ` 0^@C` followed by coupling with `beta`-naphthol is due to extended conjugation.
A. Statement-1: is true, statement-2 is true, Statement-2 is a correct explanation for statement-1.
B. Statement-1 is true, statement-2 is true, Statement-2 is not a correct explanation for Statement-2
C. statement-1 is true, statement-2 is false.
D. statement-1 is false, statement-2 is true.