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"

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Chemistry Fsc Part 2 Chapter 10 Online Test

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Question # 1

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

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 products will be formed in Wurtz reaction when sodium metal reacts with ethyl chloride in anhydrous ether.

Question # 4

SN2 mechanism involves

Question # 5

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

Question # 6

Which one of the following species is a nucleophile

Question # 7

SN2 reactions can be carried out with

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

What products is formed when ethyl bromide reacts with magnesium to form Grignard's reagent.

Question # 12

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

Question # 13

The general representation for Grignard reagent is.

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

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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 SN2reactions can be best carried out with
A. primary alkyl halides
B. secondary alkyl halides
C. tertiary alkyl halides
D. All the three
3 ------------------- is not a nucleophile
A. H2O
B. NO3
C. BF3
D. NH3
4 An alkyl halide may be converted to alcohol by
A. Addition
B. Substitution
C. Dehydrohalogenation
D. Elimination
5 Which one of the following is not a nucleophile.
A. H2O
B. H2S
C. BF3
D. NH3
6 For which mechanisms, the first step involved is the same
A. E1and E2
B. E2and SN2
C. E1and E2
D. E1and SN1
7 Which one of the following molecules does not form alcohol when reacts with a Grignard reagent.
A. Formaldehyde
B. Acetaldehyde
C. Propanone
D. CO2
8 Which one of the following species is a nucleophile
A. CH3
B. (CH3)2 C
C. BF3
D. OH-
9 In primary alkyl halides, the halogen atom is attached to a carbon which is further attached to how many carbon atoms
A. Two
B. Three
C. One
D. Four
10 The reactivity of Grignard's regent is due to
A. Polarity of Mg-x bond
B. Polarity of C-Mg bond
C. Electro negativity of halogen atom
D. Presence of Mg-atom

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