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Electroplating

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Question

Write the reaction of thermal decomposition of ammonium dichromate

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Solution

Nitrogen gas is released in thermal decomposition of ammonium dichromate. The reaction is as follows:
(NH₄)Cr₂O₇ →Δ N₂(g) + Cr₂O₃ (s) + 4H₂O (l)

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Q. Thermal decomposition of ammonium dichromate gives:

Q. Nitrogen can be obtained by thermal decomposition of ammonium dichromate.

Q. Write the equation for the action of heat on:
(i) ammonium chloride
(ii) ammonium nitrate
State, whether each reaction is an example of thermal dissociation or thermal decomposition.

(N H_{4})_{2} C r_{2} O_{7} \to C r_{2} O_{3} + 4 H_{2} O + N_{2}

C r_{2} O_{3}

formed by the decomposition of 63 gm of ammonium dichromate :

[N = 14, H = 1, O = 16, C r = 52]

Q. What happens on thermal decomposition of

B a (N_{3})_{2}

? (write only equation of the reaction).

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