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Colour and Solubility

A salt gave f...

Question

A salt gave following tests as,
1.Visual test: white crystalline powder
2.Heat test: brown gas given off.
3.Flame test: no color identified
4.Solubility in water: soluble.
5.Nitric acid: soluble
6.Hydroxide: formed an insoluble white precipitate, then dissolved with excess NaOH
7.Ammonia: formed an insoluble white precipitate which did not redissolve in excess ammonia.
8.Hydrochloric acid: formed an insoluble white precipitate
Salt may be :

A

Mercurous nitrate

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B

Mercuric nitrate

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C

Lead nitrate

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D

Ammonium nitrate

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Solution

The correct option is C Lead nitrate
According to the above mentioned tests the given salt may be lead nitrate.

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