Question

Identify incorrect statements among the following
I. Benzene diazonium chloride with hypophosphorous acid solution gives benzeneamine and phosphorous acid
II. Benzene diazonium chloride with phenol at P^H> 7 gives yellow coloured dye
III. Benzene diazonium chloride with cuprous chloride and HCl gives chlorobenzene is called as Gattermann reaction

IV. Benzenediazonium chloride on hydrolysis with water at 10⁰C gives phenol

• A. All
• B. I,III,IV
• C. II,III only
• D. I,II,III

Answer 1

The correct option is D

I,II,III

With H₃PO₂ gives benzene, With phenol it gives orange dye ,III reaction is sandmeyer's reaction