1 Al OH 2 Zn OH 3 Both together 4 None at all A colourless

Last updated: 7/2/2023

1 Al OH 2 Zn OH 3 Both together 4 None at all A colourless liquid A b p 184 C is sparingly soluble in warm water to which it gives feebly alkaline On treating with NaNO and dil HC in the cold solution it yields a solution which reacts with an alkaline solution of B naphthol to give an orange yellow precipitate Compound A is 1 C H N CI 2 C H NHNH 3 n C H NH 4 C H NH