Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 14 - Introduction to Organic Chemistry>BEFORE YOU START>Q 4

HARD

AS and A Level

IMPORTANT

Earn 100

Which two of the following are true about a molecule of ethene, $C_{2} H_{4}$ ?

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Important Questions on Introduction to Organic Chemistry

MEDIUM

AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 14 - Introduction to Organic Chemistry>Question>Q 1

On analysis, a hydrocarbon was found to contain

0.72 g

of carbon and

0.18 g

of hydrogen. Calculate the empirical formula of the hydrocarbon.

HARD

AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 14 - Introduction to Organic Chemistry>Question>Q 1

On analysis, a hydrocarbon was found to contain

0.72 g

of carbon and

0.18 g

of hydrogen. Further investigation showed that the relative molecular muss of the hydrocarbon was

30

. Deduce its molecular formula.

MEDIUM

AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 14 - Introduction to Organic Chemistry>Question>Q 1

A compound contains the elements carbon, hydrogen and oxygen. Its empirical formula is

{CH}_{2} O

and its relative molecular mass is

60

. Deduce the molecular formula of the compound.

MEDIUM

AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 14 - Introduction to Organic Chemistry>Question>Q 1

Draw the displayed formula of ethene (molecular formula

C_{2} H_{4}

).

MEDIUM

AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 14 - Introduction to Organic Chemistry>Question>Q 1

Draw the displayed formula of propane (molecular formula

C_{3} H_{8}

).

HARD

AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 14 - Introduction to Organic Chemistry>Question>Q 1

Draw the skeletal formula of pentane, a straight-chain hydrocarbon with a molecular formula of

C_{5} H_{12}

.

MEDIUM

AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 14 - Introduction to Organic Chemistry>Question>Q 1

Draw the skeletal formula of the following molecule.

Question Image

HARD

AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 14 - Introduction to Organic Chemistry>Question>Q 1

Draw the skeletal formula of the following molecule.

Question Image