Identify the name of the compound from the following structure.

Which among the following compounds does not correctly match with its formula?

Which of the following is the general formula of an alkane amide?

Given below are two statements:
Statement $I$ : Aminobenzene and aniline are same organic compounds.
Statement $II$ : Aminobenzene and aniline are different organic compounds.
In the light of the above statements,choose the most appropriate answer from the options given below:

What is a diazonium salt? Explain with suitable examples.

Classify the following amines as primary,secondary,or tertiary:
$(i)$ $1-$naphthylamine
$(ii)$ $N,N$-dimethyl$-1-$naphthylamine
$(iii)$ $(C_2H_5)_2CHNH_2$
$(iv)$ $(C_2H_5)_2NH$