Question

Q.1
What mass of HNO3 is needed to convert 5 gm of iodine into iodic acid according to the reaction?
[3]
12 + HNO3 → HIO3 + NO, +H2O
(A) 12.4 gm
(B) 24.8 gm
(C) 0.248 gm
(D) 1.24 gm

Answer 1

Answer:

Correct option is

A

12.4g

I

2

+HNO

3

⟶HIO

3

+NO

2

+H

2

O

0 +5 +5 +4

At equivalent point,

N

1

V

1

=N

2

V

2

5∗10/254=m/63; m=12.4 gm.