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"

  • Total Questions17

  • 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

SN2 reactions can be best carried out with

Question # 3

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

Question # 4

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

Question # 5

Which one of the following alcohols will be formed when ethyl magnesium bromide reacts with acetone.

Question # 6

Which compound is formed, when CH3OH reach with CH3- Mg -Br

Question # 7

In which process, alkyl halide is not produced.

Question # 8

Which substance is used to convert alcohol to alkyl halide.

Question # 9

The most reactive Alkyl halide is

Question # 10

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

Question # 11

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

Question # 12

Which one of the following species is not an electrophile.

Question # 13

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

Question # 14

SN 2 mechanism involves

Question # 15

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

Question # 16

The reacts with halogen acids to form alkyl halide the process is known as.

Question # 17

Which one of the following molecules does not form alcohol when reacts with a Grignard 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 An alkyl halide may be converted to alcohol by
A. Addition
B. Substitution
C. Dehydrohalogenation
D. Elimination
2 Acetic acid can be obtained from CH3MgI by treatment with.
A. H2O
B. CINH2
C. CO2
D. HCHO
3 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
4 Which compound is formed, when CH3OH reach with CH3- Mg -Br
A. Ethane
B. Methane
C. Ethanol
D. Acetone
5 Which one of the following molecules does not form alcohol when reacts with a Grignard reagent.
A. Formaldehyde
B. Acetaldehyde
C. Propanone
D. CO2
6 In unimolecular reactions, the reaction completes in
A. One step
B. Two steps
C. Three steps
D. None of these
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 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 Nucleophilic substitution reactions, which are completed in two steps are called as.
A. SN1
B. SN2
C. E1
D. E2
10 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

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