Which of the following arylamines will not form a diazonium salt on reaction with sodium nitrite in hydrochloric acid?

Which of the following arylamines will not form a diazoniuum salt on reaction with sodium nitrite in hydrochloric acid ?

Which of the following aryl amines will not form a diazonium salt on reaction with sodium nitrite in hydrochloric acid?

Diazonium salts The reactions is

Which of the following product (s) will be obtained when isopropylamine is treated with sodium nitrite and hydrochloric acid ?