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12th Maharashtra Board
IMPORTANT
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What is the shape of CIF3?

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

MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Use your brain Power>Q •
Chlorine and fluorine combine to form interhalogen compounds. The halide ion will be of chlorine or fluorine?
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Use your brain Power>Q •
Why does fluorine combine with other halogens to form maximum number of fluorides?
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Use your brain Power>Q •
Which halogen has tendency to form more interhalogen compounds?
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Can you recall ?>Q •
What is the correlation between ionisation energies and reactivity of elements?
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Can you recall ?>Q •
State the trends in ionisation energy down a group.
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 1
Which of the following has highest electron gain enthalpy?
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 1

Hydrides of group 16 are weakly acidic. The correct order of acidity is

MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 1
Which of the following element does not show oxidation state of +4?