Choose the salt that most appropriately fits the description given in the following
[AgCl, MgCl_2,NaHSO₄, PbCO₃ , ZnCO₃, , KCO_3,Ca(NO₃)₂]
On heating this salt, a brown coloured gas is evolved.

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Solution

Correct answer is Ca(NO₃)₂
On heating Calcium nitrate, calcium oxide, nitrogen dioxide and oxygen is formed.
$2 {({CaNO}_{3})}_{2} \to 2 CaO + 2 {NO}_{2} + O_{2}$
The brown coloured gas evolved is nitrogen dioxide

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Similar questions

From the formula listed below, choose one, in each case, corresponding to the salt having the given description:-

$A g C l, C u C O_{3}, C u S O_{4} .5 H_{2} O, K N O_{3}, N a C l, N a H S O_{4}, P b (N O_{3})_{2} . Z n C O_{3}, Z n C O_{4} .7 H_{2} O .$

(a) an acid salt.

(b) an insoluble chloride.

(d) on heating, this salt changes from green to black.

(e) this salt given nitrogen dioxide on heating.

[A g C l, M g C l_{2}, N a H S O_{4}, P b C O_{3}, Z n C O_{3}, K N O_{3}, C a (N O_{3})_{2}]

Choose the salt that most appropriately fits the description given in the following

[AgCl, MgCl_2,NaHSO₄, PbCO₃ , ZnCO₃, , KCO_3,Ca(NO)₃]

On heating this salt gives a yellow residue when hot and white when cold

Choose the salt that most appropriately fits the description given in the following

[AgCl, MgCl_2,NaHSO₄, PbCO₃ , ZnCO₃, , KCO_3,Ca(NO)₃]

A deliquescent salt

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