Action Of Dilute Acid

Question 1

What to observe?

Answer 1

1. Gas liberated
2. White ppt?
3. Colour of sol

Question 2

CO3 2-

Answer 2

Eff observed;

Gas evolved gives white ppt with limewater

Question 3

H2SO4 is a ppt agent for?

Answer 3

Ba2+

-> insoluble in water

Question 4

SO3 2-

Answer 4

Gas evolved;

Acidified KMnO4 purple to colourless

Question 5

HCl is ppt agent for?

Answer 5

Ag+

-> AgCl is soluble in water

Question 6

NO2-

Answer 6

Brown gas produced; turns blue litmus red

Question 7

HCl @ OA

Answer 7

Liberation of Cl2 gas on warming

=> greenish yellow gas px;
=> moist blue litmus red, bleach