Organic [Alkanes, Alkenes, Haloalkanes]

Organic [Alkanes, Alkenes, Haloalkanes]

12th Grade

18 Qs

quiz-placeholder

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Organic [Alkanes, Alkenes, Haloalkanes]

Organic [Alkanes, Alkenes, Haloalkanes]

Assessment

Quiz

Science

12th Grade

Medium

Created by

David Guinea

Used 23+ times

FREE Resource

18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Using integers, what is the smallest sum of all the coefficients when the equation for the complete combustion of octane, C8H18 in oxygen is correctly balanced?

50

30

31

61

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which factors contribute to the explanation as to why alkanes are not very reactive?

I. Unlike the other elements in group 14, carbon cannot expand its octet.

II. C−H and C−C bonds are relatively strong compared to other covalent single bonds.

III. Alkanes either are non-polar or have very low polarity.

I only

I and II only

I, II and III

III only

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Methane reacts with chlorine in the presence of ultraviolet light to form chloromethane and hydrogen chloride. What is the function of the ultraviolet light?

It breaks the C−H bond in methane homolytically.

It breaks the Cl−Cl bond in chlorine heterolytically.

It breaks the C−H bond in methane heterolytically.

It breaks the Cl−Cl bond in chlorine homolytically.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is a propagation step in the substitution reaction between ethane and bromine in the presence of ultraviolet light?

H3C−CH2· + Br· → H3C−CH2Br

H3C−CH2· + H3C−CH2· → H3C−CH2−CH2−CH3

H3C−CH3 + Br· → H3C−CH2· + HBr

Br2 → Br· + Br·

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What product will be formed when water is reacted with ethene in the presence of a catalytic amount of concentrated sulfuric acid?

ethanal

ethanoic acid

ethanol

1,2-ethanediol

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Under high pressure alkenes can be polymerized to give addition polymers.

Polystyrene is an addition polymer.

C6H5CH=CH2

C6H6CH2CH=CH2

C6H5CH2CH=CH

C6H5CH2CH3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which product will be formed when but-2-ene reacts with hydrogen bromide?

2-bromobutane

3-bromobutane

1,2-dibromobutane

2,3-dibromobutane

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