HARD
12th Maharashtra Board
IMPORTANT
Earn 100

Give two chemical reactions to explain oxidising property of concentrated H2SO4.

Important Questions on Elements of Groups 16,17,and 18

HARD
12th Maharashtra Board
IMPORTANT
Discuss the structure of sulphur dioxide. 
HARD
12th Maharashtra Board
IMPORTANT
Fluorine shows only -1 oxidation state while other halogens show -1, +1, +3, +5 and +7 oxidation states. Explain.
MEDIUM
12th Maharashtra Board
IMPORTANT
What is the action of chlorine on Fe
MEDIUM
12th Maharashtra Board
IMPORTANT
What is the action of chlorine on excess of NH3?
HARD
12th Maharashtra Board
IMPORTANT
How is hydrogen chloride prepared from sodium chloride? 
HARD
12th Maharashtra Board
IMPORTANT
Draw structures of XeF6, XeO3, XeOF4, XeF2.
MEDIUM
12th Maharashtra Board
IMPORTANT
What are inter-halogen compounds? Give two examples.
MEDIUM
12th Maharashtra Board
IMPORTANT
What is the action of hydrochloric acid on NH3?