HARD
12th Odisha Board
IMPORTANT
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Why is hydrogen sulphide not dried by concentrated sulphuric acid?

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 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.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 8 - Group 16 Elements : Oxygen Family>QUESTIONS>Q 13
Give one reaction in which SO2 behaves as a reducing agent. Give equation.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 8 - Group 16 Elements : Oxygen Family>QUESTIONS>Q 14
Why is ozone not collected over mercury?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 8 - Group 16 Elements : Oxygen Family>QUESTIONS>Q 15
What happens when conc.H2SO4 is added to formic acid? Give equation.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 8 - Group 16 Elements : Oxygen Family>QUESTIONS>Q 16
What happens when sulphuretted hydrogen is passed through chlorine water? Give equation.