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"

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Chemistry Fsc Part 2 Chapter 10 Online Test

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Question # 1

For which mechanisms, the first step involved is the same

Question # 2

In unimolecular reactions, the reaction completes in

Question # 3

SN2 mechanism involves

Question # 4

SN 2 mechanism involves

Question # 5

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

Question # 6

SN2 reactions can be carried out with

Question # 7

Which alkyl halide does not form Grignard's reagent.

Question # 8

Elimination Bimolecular reactions involve

Question # 9

In primary alkyl halides, the halogen atom is attached to a carbon which is further attached to how many carbon atoms

Question # 10

For which mechanisms, the first step involved is the same.

Question # 11

The reactivity order of alkyl halides for a particular alkyl group is.

Question # 12

Which one of the following is not a nucleophile.

Question # 13

Which one of the following products will be formed in Wurtz reaction when sodium metal reacts with ethyl chloride in anhydrous ether.

Question # 14

Which one of the following species is a nucleophile

Question # 15

Which one of the following reactants will be required to form ethyl alcohol form ethyl bromide.

Question # 16

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

Question # 17

SN1 reaction usually occurs in

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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 Which one of the following is not a nucleophile.
A. H2O
B. H2S
C. BF3
D. NH3
2 Secondary alkyl halides are those in which halogen atom is attached with a carbon atom which is further attached to.
A. One beta carbon
B. Two beta carbon
C. Three beta carbon
D. Four beta carbon
3 The most reactive Alkyl halide is
A. Alkyl Iodide
B. Alkyl Bromide
C. Alkyl fluoride
D. Alkyl Chloride
4 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
5 Which one of the following will be required to form ethene from ethyl chloride.
A. Alcoholic KOH
B. Aqueous KOH
C. Alkaline KMnO4
D. Bromine
6 Which one of the following reactants will be required to form ethyl alcohol form ethyl bromide.
A. Alcoholic KOH
B. Aqueous KOH
C. Alkaline KMnO4
D. Sodium metal in ether
7 Which substance is used to convert Grignard reagent to alkane.
A. H2O
B. NH3
C. Ethyl alcohol
D. All of these
8 Which one of the following species is not an electrophile.
A. HN3
B. Br
C. H+
D. BF3
9 Cyanogen chloride reacts with ethyl magnesium bromide to give
A. CH3CH2Cl
B. CH3CH2Br
C. C4H10+
D. CH3CH2CN
10 SN2 reactions can be best carried out with
A. Primary alkyl halides
B. Secondary alkyl halides
C. Tertiary alkyl halides
D. All the three

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