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N5 Unit 2 sqa

Authored by Nicola Douglas

Chemistry

9th Grade

Used 2+ times

N5 Unit 2 sqa
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a homologous series?

A series of compounds with different molecular formulas and different physical properties

A family of compounds with the same general formula and similar chemical properties

A group of isomers with the same structural formulae

A collection of unsaturated hydrocarbons with increasing carbon atoms

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements is true about isomers?

They are compounds with different molecular formulas and identical structural formulae

They belong to the same homologous series and have identical physical properties

They are compounds with the same molecular formula but different structural formulae

They cannot belong to different homologous series

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the general formula for alkanes?

CnH2n+2

CnH2n

CnHn

CnH2n-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the general formula for cycloalkanes?

CnH2n+2

CnH2n

CnHn

CnH2n-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which property is common to all alkanes?

They are soluble in water

They are commonly used as fuels

They are unsaturated hydrocarbons

They can have more than 8 carbons in the longest chain

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can unsaturated compounds be distinguished from saturated compounds?

Unsaturated compounds can dissolve in water, while saturated compounds cannot

Unsaturated compounds decolourise bromine solution quickly

Saturated compounds have at least one carbon-carbon double bond

Saturated compounds decolourise bromine solution quickly

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the general formula for alkenes?

C_nH_2n+2

C_nH_2n

C_nH_2n-2

C_nH_2n+1OH

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