Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
Ozone when reacts with potassium iodide solution liberates certain product, which turns starch paper blue. The liberated substance is
Q. Ozone when reacts with potassium iodide solution liberates certain product, which turns starch paper blue. The liberated substance is
158
168
Manipal
Manipal 2019
Report Error
A
oxygen
B
iodine
C
hydrogen iodide
D
potassium hydroxide
Solution:
O
3
(Ozone) works as oxidising agent. It reacts with potassium iodide (
K
I
) solution and liberate iodine vapours that turns starch paper blue.
O
3
→
O
2
+
O
2
K
I
+
H
2
O
+
O
→
2
K
O
H
+
I
2
2
K
I
+
H
2
O
+
O
→
2
K
O
H
+
I
2