Which of the following nitrates on strong heating leaves the metal as the residue?

A g {N O}_{3}

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P b {{(N O}_{3})}_{2}

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C u {{(N O}_{3})}_{2}

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A l {{(N O}_{3})}_{2}

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Solution

The correct option is A $A g {N O}_{3}$
$A g N O_{3}$ is often called Lunar caustic since it creates a burning sensation such as caustic and leaves stain similar to moon luna (black stain while decomposition to metallic silver). This is the reason it is stored in coloured bottles. Nitrate of silver on strong heating leaves the metal as the residue. Hence, option (A) is correct.

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Similar questions

Name :

(a) a nitrate of metal which on heating does not give nitrogen dioxide.

(b) a nitrate which on heating leaves no residue behind.

(d) a metal nitrate which on heating is changed into metal.

(e) a solution which absorbs nitric oxide.

(f) the oxide of nitrogen which turns brown on exposure to air. How is it prepared ?

N O_{2}

N H_{4} N O_{3}, K N O_{3}, N a N O_{2}, P b (N O_{3})_{2}, A g N O_{3}

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