Nucleophilic substitution

Last updated: 08/02/2020

Edexcel A-Level Chemistry Halogenoalkanes Nucleophilic substitution

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Question 1 of 25

1. Question
What is the general formula for a halogenoalkane?
- $C_nH_{2n+1}X$
- $C_nH_{2n}X$
- $C_{2n}H_{2n+1}X$
- $C_nH_{2n+1}$
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Question 2 of 25

2. Question
What is the definition of a reaction mechanism?
- The route from the reactants to the products through a series of steps
- The energy required for each stage of a reaction to take place
- The movement of ions throughout a reaction between two compounds
- The progress of a reaction
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Question 3 of 25

3. Question
What is the definition of a substitution reaction?
- When one atom or group is swapped for another atom or group
- When one atom or group is added to a compound
- When one atom or group is removed from a compound
- When two reactants react to form one product
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Question 4 of 25

4. Question
What is the definition of hydrolysis?
- When a substance is broken down using water
- A reaction where water is a product
- When a substance is formed using water
- When a substance is broken down using an acid
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Question 5 of 25

5. Question
What is the definition of a nucleophile?
- A lone pair of electrons are donated to another molecule to form a covalent bond
- Lone ion pair that can be donated to another molecule to form a covalent bond
- A molecule can accept a lone pair of electrons to form a covalent bond
- A molecule can accept a lone ion pair to form a covalent bond
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Question 6 of 25

6. Question
What is the definition of a nucleophilic substitution reaction?
- When a nucleophile is added to a halogenoalkane and a halide is lost
- When an electrophile is added to a halogenoalkane and a hydrogen is lost
- When a nucleophile is added to a halogenoalkane and a hydrogen is lost
- When an electrophile is added to a halogenoalkane and a halide is lost
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Question 7 of 25

7. Question
Which of the following is an example of a nucleophile?
- $NH_3$
- $CH_3^+$
- $NH_4^+$
- $Br^+$
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Question 8 of 25

8. Question
Which of the following is not an example of a nucleophile?
- $Cl^+$
- $CN^-$
- $OH^-$
- $NH_3$
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Question 9 of 25

9. Question
In order for a nucleophilic substitution reaction to occur, what is needed within a compound?
- A polar bond
- A halogen atom
- Hydrogen atoms
- No overall polarity
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Question 10 of 25

10. Question
Within the nucleophilic substitution of halogenoalkanes, what two reactants are needed?
- Halogenoalkane and a nucleophile
- Halogenoalkane and a base
- Halogenoalkane and halogen
- Halogenoalkane and acid
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Question 11 of 25

11. Question
During the nucleophilic substitution of a halogenoalkane, what type of ion is lost?
- Halide ion
- Hydrogen ion
- Carbocation
- Hydroxide ion
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Question 12 of 25

12. Question
During the nucleophilic substitution of a halogenoalkane using a cyanide ion what happens to the alkane after the reaction?
- Carbon chain becomes longer
- A salt is formed
- A carbon chain breaks down
- Carbon chain becomes smaller
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Question 13 of 25

13. Question
What ion is formed during the nucleophilic substitution reaction of bromopropane and sodium hydroxide?
- $Br^-$
- $CH_3^+$
- $Na^+$
- $OH^-$
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Question 14 of 25

14. Question
What ion is formed during the nucleophilic substitution reaction of chlorobutane and sodium hydroxide?
- $Cl^-$
- $H^+$
- $CN^-$
- $CH_3^+$
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Question 15 of 25

15. Question
What ion is formed during the nucleophilic substitution reaction of chloropropane and ammonia?
- $Cl^-$
- $OH^-$
- $NH_4^+$
- $NH_3^+$
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Question 16 of 25

16. Question
What type of reaction is the nucleophilic substitution of a halogenoalkane with sodium hydroxide?
- Hydrolysis
- Neutralisation
- Elimination
- Reduction
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Question 17 of 25

17. Question
What type of compound is formed from the nucleophilic substitution reaction of bromopropane and cyanide?
- Nitrile
- Amine
- Alcohol
- Aldehyde
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Question 18 of 25

18. Question
What type of compound is formed from the nucleophilic substitution reaction of bromopropane and ammonia?
- Amine
- Ester
- Nitrile
- Amide
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Question 19 of 25

19. Question
What is the name of the organic product formed from the nucleophilic substitution reaction of 2-chloropentane and sodium hydroxide?
- Pentan-2-ol
- Pentane
- Pentanol
- Pentanoic acid
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Question 20 of 25

20. Question
What is the name of the organic product formed from the nucleophilic substitution reaction of bromomethane and potassium hydroxide?
- Methanol
- Methanoic acid
- Methan-2-ol
- Methane
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Question 21 of 25

21. Question
What is the name of the organic product formed from the nucleophilic substitution reaction of 4-chloropentane and potassium hydroxide?
- Pentan-4-ol
- Pentanoic acid
- Pentan-2-ol
- Pentane
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Question 22 of 25

22. Question
Within the nucleophilic substitution of 2-chloropentane and sodium hydroxide, what is the nucleophile?
- $OH^-$
- $CH_3^+$
- $Cl^+$
- $Na^+$
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Question 23 of 25

23. Question
Within the nucleophilic substitution of bromopropane and cyanide, what is the nucleophile?
- $CN^-$
- $CH_3^+$
- $H^+$
- $Br^-$
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Question 24 of 25

24. Question
Within the nucleophilic substitution of chlorobutane and ammonia, what is the nucleophile?
- $NH_3$
- $NH_4^+$
- $H^+$
- $Cl^-$
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Question 25 of 25

25. Question
What type of compound is formed from the nucleophilic substitution reaction of bromopropane and sodium hydroxide?
- Alcohol
- Nitrile
- Alkane
- Carboxylic acid
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