Question

c. Give the balanced chemical equation for the action of
i. concentrated HNO3 on Phosphorous
ii. very dil HNO3 on Manganese.​

Answer 1

Explanation:

Cold and dilute nitric acid reacts with copper to form copper(II) nitrate and NO.

3Cu+8HNO

3

(dil )→3Cu(NO

3

)

2

+4H

2

O+2NO

Answer 2

Answer:

By the action of conc.HNO

3

phosphorus changes to orthophosphoric acid.

P

4

+20HNO

3

→4H

3

PO

4

+4H

2

O+20NO

2