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 alcohols will be formed when ethyl magnesium bromide reacts with acetone.

Question # 2

The general representation for Grignard reagent is.

Question # 3

Elimination Bimolecular reactions involve

Question # 4

The most reactive Alkyl halide is

Question # 5

Secondary alkyl halides are those in which halogen atom is attached with a carbon atom which is further attached to.

Question # 6

SN 2 mechanism involves

Question # 7

An alkyl halide may be converted to alcohol by

Question # 8

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

Question # 9

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

Question # 10

SN2 reactions can be carried out with

Question # 11

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

Question # 12

SN2reactions can be best carried out with

Question # 13

For which mechanisms, the first step involved is the same

Question # 14

In unimolecular reactions, the reaction completes in

Question # 15

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

Question # 16

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

Question # 17

What products is formed when ethyl bromide reacts with magnesium to 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 SN2reactions can be best carried out with
A. primary alkyl halides
B. secondary alkyl halides
C. tertiary alkyl halides
D. All the three
2 Which alkyl halide does not form Grignard's reagent.
A. CH3-Br
B. CH3-Cl
C. CH3- F
D. CH3-I
3 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
4 Elimination biomolecular reactions involve.
A. First order kinetics
B. Second order kinetics
C. third order kinetics
D. Zero order kinetics
5 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
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 When CO2is made to react with ethyl-magnesium iodide followed by acid hydrolysis, the product formed is
A. Propane
B. Propanoic acid
C. Propanal
D. Propanol
8 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
9 For ----------------- Mechanism, the first step involved is the same
A. E1 and E2
B. E2 and SN2
C. SN1 and SN2
D. E1 and SN1
10 In unimolecular reactions, the reaction completes in
A. One step
B. Two steps
C. Three steps
D. None of these

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