EASY
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Explain why cracking is so important.

Important Questions on Organic Chemistry

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 17 - Organic Chemistry>Q>Q 6
A straight chain hydrocarbon has the formula C5H12. Draw the structural formula for its molecules. Now show what might happen when the compound is cracked.
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 17 - Organic Chemistry>Q>Q 1

Propanol is an organic compound.

a. How many carbon atoms does it contain?

b. Which family does it belong to?

c. See if you can draw a structural formula for it.

EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 17 - Organic Chemistry>Q>Q 2
Draw a structural formula for the alkane called hexane.
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 17 - Organic Chemistry>Q>Q 3
An alkane has 32 carbon atoms in each molecule. Give its formula.
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 17 - Organic Chemistry>Q>Q 4
Try to draw the structual formula for propanoic acid.
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 17 - Organic Chemistry>Q>Q 1
Describe the bonding in ethane. A drawing will help!
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 17 - Organic Chemistry>Q>Q 2
Why are alkanes such as methane and butane used as fuels? See if you can give atleast two reasons.
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 17 - Organic Chemistry>Q>Q 3
Butane burns in a similar way to methane. See if you write a balanced equation for its combustion.