Froggy Jumps: Organic chemistry reactions (D) (chemistry - organic chemistry


Froggy Jumps Organic chemistry reactions (D)Online version Review your familiarity on the organic reactions! by Wei Ting Oh Wei Ting 1 Which set of reagents and conditions is required for addition of halogens? a Halogen in tetrachloromethane b Halogen, Ultraviolet light c Concentrated phosphoric acid, 300 deg cel, 60 bar 2 Which set of reagents and conditions is required for cracking? a Aluminium oxide / silicon(IV) oxide catalyst, high T 600 deg cel b Halogen, Ultraviolet light c Concentrated phosphoric acid, 300 deg cel, 60 bar 3 Which set of reagents and conditions is required for addition of hydrogen? a Halogen in tetrachloromethane b Hydrogen gas, platinum catalyst c Concentrated phosphoric acid, 300 deg cel, 60 bar 4 Which set of reagents and conditions is required for addition of steam in laboratory? a Aluminium oxide / silicon(IV) oxide catalyst, high T 600 deg cel b Concentrated phosphoric acid, 300 deg cel, 60 bar c Concentrated sulfuric acid at room temp, add water, warm 5 Which set of reagents and conditions is required for fermentation? a Yeast, no higher than 37 deg cel, presence of air b Yeast, no higher than 37 deg cel, absence of air c Concentrated phosphoric acid, 300 deg cel, 60 bar 6 Which set of reagents and conditions is required for oxidation? a Excess concentrated sulfuric acid, 170 deg cel b Concentrated phosphoric acid, 300 deg cel, 60 bar c KMnO4, dilute sulfuric acid, heat 7 Which set of reagents and conditions is required for elimination (alcohols to alkenes)? a Excess concentrated sulfuric acid, 170 deg cel b Concentrated sulfuric acid, heat with reflux c KMnO4, dilute sulfuric acid, heat 8 Which set of reagents and conditions is required for condensation? a Excess concentrated sulfuric acid, 170 deg cel b Concentrated sulfuric acid, heat with reflux c KMnO4, dilute sulfuric acid, heat 9 Which compound can react with chlorine in tetrachloromethane in the dark? a b c 10 Which compound can react with acidified potassium dichromate (VI)? a b c 11 Which compound gives a ketone when reacted with acidified potassium dichromate (VI)? a b c 12 Which compound undergoes condensation with pentanol? a b c 13 What is the name of this compound? a methyl butanoate b butyl methanoate c methyl propanoate 14 The alcohol used to produce this ester is a ____ alcohol. a tertiary b secondary c primary 15 ____ can be oxidised to give the acid required to make this ester. a butan-3-ol b butan-1-ol c butan-2-ol 16 Cracking of 1 mole of C8H18 gives 1 mole of H2 gas and __ moles of C2H4. a 2 b 4 c 6 17 Which equation represents formation of tetrachloromethane via substitution? a CH4 + 2Cl2 -> CH4Cl4 b CH4 + 2Cl2 -> CCl4 + 2H2 c CH4 + 4Cl2 -> CCl4 + 4HCl 18 What is the type of reaction represented in this diagram? a Addition b Substitution c Halogenation 19 Which compound has a higher viscosity? a Hexane b Nonane c Decane 20 Which compound is most flammable? a Hexane b Nonane c Decane

1

Which set of reagents and conditions is required for addition of halogens?

a

Halogen in tetrachloromethane

b

Halogen, Ultraviolet light

c

Concentrated phosphoric acid, 300 deg cel, 60 bar

2

Which set of reagents and conditions is required for cracking?

a

Aluminium oxide / silicon(IV) oxide catalyst, high T 600 deg cel

b

Halogen, Ultraviolet light

c

Concentrated phosphoric acid, 300 deg cel, 60 bar

3

Which set of reagents and conditions is required for addition of hydrogen?

a

Halogen in tetrachloromethane

b

Hydrogen gas, platinum catalyst

c

Concentrated phosphoric acid, 300 deg cel, 60 bar

4

Which set of reagents and conditions is required for addition of steam in laboratory?

a

Aluminium oxide / silicon(IV) oxide catalyst, high T 600 deg cel

b

Concentrated phosphoric acid, 300 deg cel, 60 bar

c

Concentrated sulfuric acid at room temp, add water, warm

5

Which set of reagents and conditions is required for fermentation?

a

Yeast, no higher than 37 deg cel, presence of air

b

Yeast, no higher than 37 deg cel, absence of air

c

Concentrated phosphoric acid, 300 deg cel, 60 bar

6

Which set of reagents and conditions is required for oxidation?

a

Excess concentrated sulfuric acid, 170 deg cel

b

Concentrated phosphoric acid, 300 deg cel, 60 bar

c

KMnO4, dilute sulfuric acid, heat

7

Which set of reagents and conditions is required for elimination (alcohols to alkenes)?

a

Excess concentrated sulfuric acid, 170 deg cel

b

Concentrated sulfuric acid, heat with reflux

c

KMnO4, dilute sulfuric acid, heat

8

Which set of reagents and conditions is required for condensation?

a

Excess concentrated sulfuric acid, 170 deg cel

b

Concentrated sulfuric acid, heat with reflux

c

KMnO4, dilute sulfuric acid, heat

9

Which compound can react with chlorine in tetrachloromethane in the dark?

a

b

c

10

Which compound can react with acidified potassium dichromate (VI)?

a

b

c

11

Which compound gives a ketone when reacted with acidified potassium dichromate (VI)?

a

b

c

12

Which compound undergoes condensation with pentanol?

a

b

c

13

What is the name of this compound?

a

methyl butanoate

b

butyl methanoate

c

methyl propanoate

14

The alcohol used to produce this ester is a ____ alcohol.

a

tertiary

b

secondary

c

primary

15

____ can be oxidised to give the acid required to make this ester.

a

butan-3-ol

b

butan-1-ol

c

butan-2-ol

16

Cracking of 1 mole of C8H18 gives 1 mole of H2 gas and __ moles of C2H4.

a

2

b

4

c

6

17

Which equation represents formation of tetrachloromethane via substitution?

a

CH4 + 2Cl2 -> CH4Cl4

b

CH4 + 2Cl2 -> CCl4 + 2H2

c

CH4 + 4Cl2 -> CCl4 + 4HCl

18

What is the type of reaction represented in this diagram?

a

Addition

b

Substitution

c

Halogenation

19

Which compound has a higher viscosity?

a

Hexane

b

Nonane

c

Decane

20

Which compound is most flammable?

a

Hexane

b

Nonane

c

Decane

Organic chemistry reactions (D)

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