Question

On heating a metal nitrate A in a test tube, we get a
yellow precipitate of X, a reddish brown gas Y and a
colourless gas Z. In what amount is Z found on
electrolysis of water?​

Answer 1

Answer:

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Explanation:

Metal Nitrate)

△

(Metal Oxide) + Brown gas + Colorless gas

A yellowish brown B C

↓ +KI

Yellow ppt. (D)

A⟶PbNO

3

; B⟶NO

2

; C⟶O

2

; D⟶PbI+KNO

3

PbNO

3

△

PbO+NO

2

+O

2

{Thermal Decomposition}

A B C

PbNO

3

+KI→PbI+KNO

3

{Double Decomposition reaction}

A D

Answer 2

Answer:

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