HARD
12th Maharashtra Board
IMPORTANT
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What happens when lead sulphide reacts with ozone (O3)?

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

HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 3
What happens when nitric oxide reacts with ozone?
 
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 3
Give two chemical reactions to explain oxidising property of concentrated H2SO4.
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 3
Discuss the structure of sulphur dioxide. 
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 3
Fluorine shows only -1 oxidation state while other halogens show -1, +1, +3, +5 and +7 oxidation states. Explain.
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 3
What is the action of chlorine on Fe? 
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 3
What is the action of chlorine on excess of NH3?
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 3
How is hydrogen chloride prepared from sodium chloride? 
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 3
Draw structures of XeF6, XeO3, XeOF4, XeF2.