Which is more reactive, nitrogen or oxygen?

Important Questions on Some Non-Metals and their Compounds

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 16 - Some Non-Metals and their Compounds>Q>Q 2

Sulphur has quite a low melting point. Why is this?

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 16 - Some Non-Metals and their Compounds>Q>Q 5

Sulphur dioxide is an acidic oxide. Explain.

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 16 - Some Non-Metals and their Compounds>Q>Q 1

For making sulfuric acid, name the process.

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 16 - Some Non-Metals and their Compounds>Q>Q 1

For making sulphuric acid, name the raw materials.

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 16 - Some Non-Metals and their Compounds>Q>Q 1

For making sulphuric acid, name the catalyst.

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 16 - Some Non-Metals and their Compounds>Q>Q 2

The reaction between sulphur dioxide and oxygen is reversible. What does that mean?

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 16 - Some Non-Metals and their Compounds>Q>Q 2

Suggest a reason why catalyst is needed in the reversible reaction of sulphur dioxide and oxygen.

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 16 - Some Non-Metals and their Compounds>Q>Q 2

At $500°\mathrm{C}$, the catalyst makes sulphur trioxide form even faster. Why is this temperature not used?