HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Suggest a method of making carbon monoxide from methane.

Important Questions on Cambridge IGCSE Exam Questions from Paper 3

HARD
Upper Secondary: IGCSE
IMPORTANT

Methanol is made from carbon monoxide.

CO g + 2H2 g  CH3OH g 

The forward reaction is exothermic.

Which condition, high or low pressure, would give the maximum yield of methanol? Give a reason for your choice.

HARD
Upper Secondary: IGCSE
IMPORTANT

For each of the following predict the name of the organic product.

(i) reaction between methanol and ethanoic acid.

HARD
Upper Secondary: IGCSE
IMPORTANT

For each of the following predict the name of the organic product.

(ii) oxidation of propan-1-ol by potassium dichromate(VI)

HARD
Upper Secondary: IGCSE
IMPORTANT
For each of the following predict the name of the organic product.
(iii) removal of H2O from ethanol (dehydration).
HARD
Upper Secondary: IGCSE
IMPORTANT

Complete the following table :

gas test for gas
ammonia  
  bleaches damp litmus paper
hydrogen  
  relights a glowing splint
  turns limewater milky