MEDIUM
12th Tamil Nadu Board
IMPORTANT
Earn 100

State the applications of phosphine.

Important Questions on p-Block Elements-II

HARD
12th Tamil Nadu Board
IMPORTANT
How is the presence of SO2 detected? 
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Why is Ka2<<Ka1 for H2SO4 in water? 
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Why is dioxygen a gas but sulphur a solid ?
HARD
12th Tamil Nadu Board
IMPORTANT

Give the characteristic test for the following gas.

 O2

MEDIUM
12th Tamil Nadu Board
IMPORTANT
In the preparation of H2SO4 by Contact Process, SO3 is  not absorbed directly in water to form H2SO4, why?
HARD
12th Tamil Nadu Board
IMPORTANT
Explain why ozone is thermodynamically less stable than oxygen.
HARD
12th Tamil Nadu Board
IMPORTANT
How is sulphur dioxide prepared in the laboratory?
EASY
12th Tamil Nadu Board
IMPORTANT
Write the equation for the thermal decomposition of Ag2O.