Question

Addition of NaNO, to the cold solution of aniline and HCl reaction
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Answer 1

Answer:

When aniline is treated with NaNo2 and HCl it will form Benzene diazonium chloride.

As

NaNo2+HCl=>HNO2+NaCl

It is done at 273 k temperature to prevent further reduction.

C6H5N2Cl is chemical formula of diazonium chloride in which nitrogen and nitrogen has triple bond between them.

Answer 2

Answer:

exothermic reaction

Explanation: