MEDIUM
11th Maharashtra Board
IMPORTANT
Earn 100

Explain the trend of ionisation enthalpy in group 13 elements.

Important Questions on Elements of Group 13, 14 and 15

MEDIUM
11th Maharashtra Board
IMPORTANT
What is hybridization of Al in AlCl3?
EASY
11th Maharashtra Board
IMPORTANT

Draw the structure of orthophosphoric acid.

EASY
11th Maharashtra Board
IMPORTANT

Draw the resonance structure of nitric acid.

HARD
11th Maharashtra Board
IMPORTANT
What are silicones? Where are they used?
HARD
11th Maharashtra Board
IMPORTANT
Explain the trend in oxidation state of elements from nitrogen to bismuth.
EASY
11th Maharashtra Board
IMPORTANT

A compound is prepared from the mineral colemanite by boiling it with a solution of sodium carbonate. It is white crystalline solid and used for inorganic qualitative analysis — Name the compound produced.

EASY
11th Maharashtra Board
IMPORTANT

A compound is prepared from the mineral colemanite by boiling it with a solution of sodium carbonate. It is white crystalline solid and used for inorganic qualitative analysis. Write the reaction that explains its formation.

EASY
11th Maharashtra Board
IMPORTANT
The tendency for catenation is much higher for C than for Si.