Name a yellow monoxide that dissolves in hot and concentrated caustic alkali.

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Solution

The yellow monoxide that dissolves in hot and concentrated caustic alkali is lead (II) oxide.

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Q. Name
(a) a metallic hydroxide soluble in excess of NH₄OH.
(b) a metallic oxide soluble in excess of caustic soda solution.
(c) a strong alkali
(d) a weak alkali
(e) two coloured metal ions.
(f) two bases which are not alkalis but dissolve in strong alkalis.
(g) a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.

Name:
(a) A yellow monoxide that dissolves in hot and concentrated alkali.
(b) A white insoluble oxide that dissolves when fused with caustic soda or caustic potash.

Name:

(a) A yellow monoxide that dissolves in hot and concentrated caustic alkali.

(b) A white, insoluble oxide that dissolves when fused with caustic soda or caustic potash.

Q1. A yellow monoxide that dissolves in hot and conc. alkali.

Q2.

(a) Name a yellow monoxide that dissolves in hot and concentrated alkali. Give equation

(b) Name a white insoluble oxide that dissolves when fused with caustic soda or caustic potash.

(d) Identify the blue solution that turns deep blue on addition of excess of ${NH}_{4} OH$ .

(e) Name the hydroxide which is soluble in excess of ammonium hydroxide.

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