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

FSC Part 2 Chemistry
Chapter 10 Test

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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 species is not an electrophile.

Question # 2

Acetic acid can be obtained from CH3MgI by treatment with.

Question # 3

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

Question # 4

SN 2 mechanism involves

Question # 5

Elimination Bimolecular reactions involve

Question # 6

SN2 reactions can be carried out with

Question # 7

The general representation for Grignard reagent is.

Question # 8

Which alkyl halide does not form Grignard's reagent.

Question # 9

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

Question # 10

Which substance is used to convert Grignard reagent to alkane.

Question # 11

Which products is not formed when ethyl alcohol reacts with SOCl2 in the presence of pyridine.

Question # 12

An alkyl halide may be converted to alcohol by

Question # 13

For which mechanisms, the first step involved is the same

Question # 14

The reactivity of Grignard's regent is due to

Question # 15

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

Question # 16

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

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 The general representation for Grignard reagent is.
A. RMgX
B. ReMgX
C. RXMg
D. RMgX2
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 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
4 When CO2 is made to react with ethyl magnesium iodide, followed by acid hydrolysis, the product formed is.
A. Propane
B. Propanoic acid
C. Propanal
D. Propanol
5 Which one of the following species is not an electrophile.
A. HN3
B. Br
C. H+
D. BF3
6 The reacts with halogen acids to form alkyl halide the process is known as.
A. Halogenation
B. Hydrohalogenation
C. Hydrogenation
D. Dehydrohalogenation
7 Nucleophilic substitution reactions, which are completed in two steps are called as.
A. SN1
B. SN2
C. E1
D. E2
8 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
9 Which one of the following is not a nucleophile.
A. H2O
B. H2S
C. BF3
D. NH3
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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