HARD
12th Odisha Board
IMPORTANT
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What happens when hydrogen peroxide reacts with ozone? Give equation.

Important Questions on Group 16 Elements : Oxygen Family

HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 8 - Group 16 Elements : Oxygen Family>QUESTIONS>Q 6
What happens when H2S is passed through aqueous solution of ZnCl2. Give equation.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 8 - Group 16 Elements : Oxygen Family>QUESTIONS>Q 7
What is allotropy? Give example.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 8 - Group 16 Elements : Oxygen Family>QUESTIONS>Q 8
Write with equation what happens when dilute sulphuric acid is added to sodium carbonate.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 8 - Group 16 Elements : Oxygen Family>QUESTIONS>Q 9
Why is hydrogen sulphide not dried by concentrated sulphuric acid?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 8 - Group 16 Elements : Oxygen Family>QUESTIONS>Q 10
Why does sulphur dioxide exhibit bleaching action only in presence of water?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 8 - Group 16 Elements : Oxygen Family>QUESTIONS>Q 11
What is the action of ozone on acidified ferrous sulphate? Give equation.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 8 - Group 16 Elements : Oxygen Family>QUESTIONS>Q 12
What gas is produced when conc.H2SO4 reacts with common salt at room temperature? Write equation.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 8 - Group 16 Elements : Oxygen Family>QUESTIONS>Q 12
Write the equation for the reaction that takes place in stages when solid NaCl is heated with conc.H2SO4.