Nitric acid

Nitric acid

a)      i) Name the reactants used in the preparation of HNO₃ in the laboratory method.

ii) Give balanced  equation for the above preparation and mention the conditions required.

iii) Mention any one precaution to be taken during above process.

b)      Give reason why :

i) The temperature should be maintained below 200⁰C in the above process.

ii) Entire apparatus is made of Glass

iii) HNO₃ prepared in the laboratory appears yellowish brown.

c)      Give balanced equations for:

i) Reaction between Conc.HNO₃ and Carbon

ii) Decomposition of HNO₃ on heating.

d)     State the observations seen when the following compounds are heated :

i) Pb(NO₃)₂                               ii) Cu(NO₃)₂