2nd Year Chemistry Online MCQ Test for Chapter 10 Alkhl Halides Preparation

MCQ's Test For Chapter 0 "Chemistry Fsc Part 2 Chapter 10 Online Test"

Try The MCQ's Test For Chapter 0 "Chemistry Fsc Part 2 Chapter 10 Online Test"

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  • Time Allowed20

Chemistry Fsc Part 2 Chapter 10 Online Test

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Question # 1

Which one of the following is not a nucleophile.

Question # 2

Cyanogen chloride reacts with ethyl magnesium bromide to give

Question # 3

SN2 mechanism involves

Question # 4

The reactivity of Grignard's regent is due to

Question # 5

In which process, alkyl halide is not produced.

Question # 6

In unimolecular reactions, the reaction completes in

Question # 7

Nucleophilic substitution reactions, which are completed in two steps are called as.

Question # 8

Which one of the following species is a nucleophile

Question # 9

SN2 reactions can be carried out with

Question # 10

Acetic acid can be obtained from CH3MgI by treatment with.

Question # 11

For ----------------- Mechanism, the first step involved is the same

Question # 12

------------------- is not a nucleophile

Question # 13

Which one of the following alkanes will be formed by the hydrolysis of ethyl magnesium bromide

Question # 14

The reaction of alkyl halides with sodium metal in the presence of ether to from alkane is known as.

Question # 15

SN 2 mechanism involves

Question # 16

Elimination biomolecular reactions involve.

Question # 17

What products is formed when ethyl bromide reacts with magnesium to form Grignard's reagent.

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10th Chapter

FSC Part 2 Chemistry Chapter 10 Online Test MCQ's

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FSc Part II Chemistry Chapter 0 Important MCQ's

Sr.# Question Answer
1 The reactivity order of alkyl halides for a particular alkyl group is.
A. Fluoride > Chloride > Bromide > Iodide
B. Chloride > Bromide >Chloride > Fluoride
C. Iodide > Bromide > Chloride > Fluoride
D. Bromide > Iodide > Chloride > Fluoride
2 An alkyl halide may be converted to alcohol by
A. Addition
B. Substitution
C. Dehydrohalogenation
D. Elimination
3 Which substance is used to convert alcohol to alkyl halide.
A. SOCl2
B. PCl3
C. HCl +ZnCl2
D. All of these
4 For which mechanisms, the first step involved is the same.
A. E2 and E2
B. E2 and SN2
C. SN1 and E2
D. E1 and SN1
5 Alkyl halides are considered to be very reactive compounds towards nucleophile because
A. They have an electrophilic carbon
B. They have an electrophilic carbon and a good leaving group
C. They have an electrophilic carbon and a bed leaving group
D. They have a nucleophilic carbon and a good leaving group
6 SN2reactions can be best carried out with
A. primary alkyl halides
B. secondary alkyl halides
C. tertiary alkyl halides
D. All the three
7 Which one of the following is not a nucleophile.
A. H2O
B. H2S
C. BF3
D. NH3
8 Which substance is used to convert Grignard reagent to alkane.
A. H2O
B. NH3
C. Ethyl alcohol
D. All of these
9 In unimolecular reactions, the reaction completes in
A. One step
B. Two steps
C. Three steps
D. None of these
10 Which one of the following products will be formed in Wurtz reaction when sodium metal reacts with ethyl chloride in anhydrous ether.
A. Methane
B. Ethane
C. Propane
D. Butane

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