HARD
AS and A Level
IMPORTANT
Earn 100

Discuss the bonding in ammonia molecule, NH3. Then draw a dot-and cross diagram of the molecule. 

Important Questions on Nitrogen

MEDIUM
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 13 - Nitrogen>BEFORE YOU START>Q 2
Give the shape of methane, CH4molecule.
MEDIUM
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 13 - Nitrogen>BEFORE YOU START>Q 2
Why the shape of the molecule is tetrahedral?
MEDIUM
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 13 - Nitrogen>BEFORE YOU START>Q 3
The oxidation number of nitrogen can vary. Give nitrogen's oxidation number in N2. 
MEDIUM
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 13 - Nitrogen>BEFORE YOU START>Q 3
The oxidation number of nitrogen can vary. Give nitrogen's oxidation number in NO.
MEDIUM
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 13 - Nitrogen>BEFORE YOU START>Q 3
The oxidation number of nitrogen can vary. Give nitrogen's oxidation number in NO3-.
HARD
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 13 - Nitrogen>BEFORE YOU START>Q 4

Discuss which substance is acting as an acid and which is a base in this reaction. 

HClaq + H2Ol →H3O+aq + Cl-aq

HARD
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 13 - Nitrogen>BEFORE YOU START>Q 5
Write a reaction pathway diagram to explain how catalysts work.
MEDIUM
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 13 - Nitrogen>Questions for discussion>Q •
Nitrogen-based fertilisers do more harm than good. How? Explain.