Question

Solve these please! ^_^♡♡


the marked ones!

Answer 1

30.the nitric acid is not used for the preparation of hydrogen because it is a good oxidising agent and oxidizing old hydrogen into water.

31. I) 2k + 2H2O -----> 2KOH + H2
ii)M + 2H ---> MH2

Answer 2

$\huge{\bold{Heya..!}}$


• Nitric acid and con. sulphuric acid is not used in the preparation of Hydrogen because it forms a layer when they racy with metals hence forming a crust I.e hard to remove and sticky in nature

•because they are highly reactive and hence an exothermic reaction take place.