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

Which one of the following will be required to form ethene from ethyl chloride.

Question # 2

For which mechanisms, the first step involved is the same

Question # 3

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

Question # 4

Which substance is used to convert Grignard reagent to alkane.

Question # 5

In which process, alkyl halide is not produced.

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

Cyanogen chloride reacts with ethyl magnesium bromide to give

Question # 10

Which one of the following species is a nucleophile

Question # 11

The general representation for Grignard reagent is.

Question # 12

The most reactive Alkyl halide is

Question # 13

SN2 reactions can be best carried out with

Question # 14

SN2 reactions can be carried out with

Question # 15

SN 2 mechanism involves

Question # 16

When CO2is made to react with ethyl magnesium iodide, followed by acid hydrolysis, the product formed is

Question # 17

Which alkyl halide does not form Grignard's reagent.

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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 The reactivity order of alkyl halides for a particular alkyl group is
A. Fluoride > Chloride > Bromide > iodide
B. Chloride > Bromide > Fluoride > iodide
C. Bromide > iodide > chloride > Fluoride
D. Iodide > Bromide > Chloride > Fluoride
2 The reaction of alkyl halides with sodium metal in the presence of ether to from alkane is known as.
A. Wortz reaction
B. Frankland reaction
C. Sabatier sendron
D. Kolbe's synthesis
3 Which one of the following species is not an electrophile.
A. HN3
B. Br
C. H+
D. BF3
4 SN2 reactions can be carried out with
A. Primary alkylhalide
B. Secondary alkyhalide
C. Tertiary alkylhalide
D. All of these
5 What products is formed when ethyl bromide reacts with magnesium to form Grignard's reagent.
A. Pyridine
B. Anhydrous ether
C. Ethyl alcohol
D. Carbon tetrachloride
6 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
7 Grignard's reagent is reactive due to
A. the presence of halogen atom
B. the presence of Mg atom
C. the polarity of C-Mg bond
D. none of the above
8 For which mechanisms, the first step involved is the same
A. E1and E2
B. E2and SN2
C. E1and E2
D. E1and SN1
9 Which one of the following molecules does not form alcohol when reacts with a Grignard reagent.
A. Formaldehyde
B. Acetaldehyde
C. Propanone
D. CO2
10 Which one of the following alcohols will be formed when ethyl magnesium bromide reacts with acetone.
A. Primary alcohol
B. Secondary alcohol
C. Tertiary alcohol
D. Dehydrin alcohol

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