The colour of precipitate obtained when ammonium hydroxide is added to ferric chloride is ……………………

State your observation when Ammonium hydroxide solution is added to magnesium chloride

Colour of precipitates obtained when cadmium chloride reacts with hydrogen sulphide.

A red colouration or precipitate is not obtained when:

The colour of the precipitate formed when ferrous ions react with ammonium hydroxide solution

When to a copper sulphate solution , excess of ammonium hydroxide added then

State one observation for each of the following: Sodium hydroxide solution is added to ferric chloride solution first drop by drop and then in excess.

State one observation for each of the following: Sodium hydroxide solution is added to ferric chloride solution at first a little and then in excess.

Explain the following: (i). Copper hydroxide is soluble in ammonium hydroxide but not in sodium hydroxide. (ii). A dark blue precipitate is formed when sodium hydroxide solution is added to copper sulphate solution. The precipitate darkens on heating.

The pH of a weak solution of ammonium hydroxide has been measured . If ammonium chloride is now added

Salts M, N, O, P and Q undergo reactiom (i) to (v) respectively. Identify the cation present in these salts on the basis of these reaction. Tabulate your answer in the format given below. 1. When sodium hydroxide solution is added to the salt M, and heated strongly a colourless gas with a pungent smell is evolved which turm red litmus paper blue and gives dense white fumes with a moist glass rod with hydrochloric acid. 2. Addition of dilute hydrochloric acid to a solution of N gives a thick white precipitate which is soluble in hot water. 3. When ammonium hydroxide solution is added to the solution of 0 a light blue precipitate is obtained which is soluble in excess of ammonium hydroxide to form an inteme deep blue solution. 4. When ammonium hydroxide solution is added to the solution of P reddish brown (mustard colour) precipitate is obtained which ,is insoluble even in the excess of ammonium hydroxide solution. 5. When sodium hydroxide solution is added to the solution of Q a which coloured gelatinous precipitate is obtained which is soluble in excess of sodium hydroxide to form a clear solution