Thermal decomposition of ammonium dichromate gives

Important Questions on p-Block Elements (Nitrogen Family)

HARD

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 16

The orange solid on heating gives a colourless gas and a green solid which can be reduced to metal by aluminium powder. The orange and the green solids are respectively

HARD

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 17

An inorganic salt (A) is decomposed on heating to give two products (B) and (C). Compound (C) is liquid at room temperature and is neutral to litmus while compound (B) is a colourless neutral gas. Compounds (A), (B), (C) are

HARD

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 18

When a brown compound of (A) is treated with $\mathrm{HCl}$, it gives a gas (B). The gas (B) taken in excess reacts with ${\mathrm{NH}}_3$ to give an explosive compound (C). The compounds A, B and C are

HARD

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 19

The gases produced in the reaction, $\mathrm{Pb}({\mathrm{NO}}_3{)}_2\stackrel{∆}{\to }$ and ${\mathrm{NH}}_4{\mathrm{NO}}_3\stackrel{∆}{\to }$  are respectively

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 20

The reaction between ${\mathrm{NH}}_2^{-} \mathrm{and} {\mathrm{N}}_2\mathrm{O}$ gives

HARD

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 21

Nitrogen dioxide is not produced on heating:

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 22

The reddish brown coloured gas formed when nitric oxide is oxidised by air is

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 23

Which statement is wrong for $\mathrm{NO}$?