EASY
11th Maharashtra Board
IMPORTANT
Earn 100

Draw the resonance structure of nitric acid.

Important Questions on Elements of Group 13, 14 and 15

HARD
11th Maharashtra Board
IMPORTANT
Chemistry>Chapter 9 - Elements of Group 13, 14 and 15>Exercises>Q 9
What are silicones? Where are they used?
HARD
11th Maharashtra Board
IMPORTANT
Chemistry>Chapter 9 - Elements of Group 13, 14 and 15>Exercises>Q 10
Explain the trend in oxidation state of elements from nitrogen to bismuth.
EASY
11th Maharashtra Board
IMPORTANT
Chemistry>Chapter 9 - Elements of Group 13, 14 and 15>Exercises>Q 13

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
Chemistry>Chapter 9 - Elements of Group 13, 14 and 15>Exercises>Q 13

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
Chemistry>Chapter 9 - Elements of Group 13, 14 and 15>Exercises>Q 15
The tendency for catenation is much higher for C than for Si.
EASY
11th Maharashtra Board
IMPORTANT
Chemistry>Chapter 9 - Elements of Group 13, 14 and 15>Exercises>Q 16

Match the pairs from column A and B

  Column A     Column B
A BCl3 p Angular molecule         
B SiO2 q Linear covalent molecule
C CO2 r Tetrahedral molecule
    s Planar trigonal molecule