Chlorine reacts with excess of fluorine to form.

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>Exercises>Q 1

In interhalogen compounds, which of the following halogens is never the central atom.

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 one lone pair of electrons?

HARD

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 1

In which of the following pairs, molecules are paired with their correct shapes?

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 1

Among the known interhalogen compounds, the maximum number of atoms is

HARD

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 2

Write the order of the thermal stability of the hydrides of group $16$ elements.

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 2

What is the oxidation state of $\mathrm{Te}$ in ${\mathrm{TeO}}_3$?

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 2

Name two gases which deplete ozone layer.

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Exercises>Q 2

Give two uses of ${\mathrm{ClO}}_2$.