Question

on heating blue coloured powder of copper(II) nitrate in boiling tube copper oxide Oxygen gas and Nitrogen dioxide is found.a) write the balanced chemical equation for the reaction. b) give the type of the reaction​

Answer 1

Answer:

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Explanation:

On heating blue coloured powder of copper (II) nitrate in a boiling tube, copper oxide (black), oxygen gas(X) and a brown gas Y is formed. The product formed are copper oxide(black), nitrogen dioxide(brown) and oxygen gas(colourless gas).

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Answer 2

(a) 2Cu(NO3)2 → 2Cu + 4NO2+O2

(b) The brown gas 'X' has to be nitrogen dioxide.

(c) This type of reaction falls under the category of Decomposition reactions.

(d) The pH of the aqueous solution of gas X would be less than

The oxides of non metals are generally acidic in nature. Therefore, their aqueous solutions would exhibit acidic nature.