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

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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

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

Question # 2

The reaction of alkyl halides with sodium metal in the presence of ether to from alkane is known as.

Question # 3

Which one of the following species is not an electrophile.

Question # 4

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

Question # 5

The general representation for Grignard reagent is.

Question # 6

Which one of the following molecules does not form alcohol when reacts with a Grignard reagent.

Question # 7

When CO2 is made to react with ethyl magnesium iodide, followed by acid hydrolysis, the product formed is.

Question # 8

SN2 reactions can be carried out with

Question # 9

SN2reactions can be best carried out with

Question # 10

SN 2 mechanism involves

Question # 11

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

Question # 12

The most reactive Alkyl halide is

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

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FSC Part 2 Chemistry Chapter 10 Online Test MCQ's

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Sr.# Question Answer
1 For which mechanisms, the first step involved is the same
A. E1and E2
B. E2and SN2
C. E1and E2
D. E1and SN1
2 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
3 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
4 In unimolecular reactions, the reaction completes in
A. One step
B. Two steps
C. Three steps
D. None of these
5 Grignard 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
6 SN2reactions can be best carried out with
A. primary alkyl halides
B. secondary alkyl halides
C. tertiary alkyl halides
D. All the three
7 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
8 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
9 Which one of the following is not a nucleophile.
A. H2O
B. H2S
C. BF3
D. NH3
10 Elimination biomolecular reactions involve.
A. First order kinetics
B. Second order kinetics
C. third order kinetics
D. Zero order kinetics

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