MEDIUM
12th Maharashtra Board
IMPORTANT
Earn 100

Why does fluorine combine with other halogens to form maximum number of fluorides?

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

MEDIUM
12th Maharashtra Board
IMPORTANT
Which halogen has tendency to form more interhalogen compounds?
HARD
12th Maharashtra Board
IMPORTANT
What is the correlation between ionisation energies and reactivity of elements?
MEDIUM
12th Maharashtra Board
IMPORTANT
State the trends in ionisation energy down a group.
MEDIUM
12th Maharashtra Board
IMPORTANT
Which of the following has highest electron gain enthalpy?
HARD
12th Maharashtra Board
IMPORTANT

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

MEDIUM
12th Maharashtra Board
IMPORTANT
Which of the following element does not show oxidation state of +4?
HARD
12th Maharashtra Board
IMPORTANT
HI acid when heated with conc. H2SO4 forms
MEDIUM
12th Maharashtra Board
IMPORTANT
Ozone layer is depleted by