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Online Tests
Chemistry Fsc Part 2 Chapter 10 Online Test MCQs With Answers
Question # 1
Which alkyl halide does not form Grignard's reagent.
Choose an answer
CH3-Br
CH3-Cl
CH3- F
CH3-I
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Question # 2
Grignard's reagent is reactive due to
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the presence of halogen atom
the presence of Mg atom
the polarity of C-Mg bond
none of the above
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Question # 3
For which mechanisms, the first step involved is the same.
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E2 and E2
E2 and SN2
SN1 and E2
E1 and SN1
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Question # 4
In primary alkyl halides, the halogen atom is attached to a carbon which is further attached to how many carbon atoms.
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One
Two
Three
Four
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Question # 5
Nucleophilic substitution reactions, which are completed in two steps are called as.
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SN1
SN2
E1
E2
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Question # 6
The reactivity order of alkyl halides for a particular alkyl group is.
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Fluoride > Chloride > Bromide > Iodide
Chloride > Bromide >Chloride > Fluoride
Iodide > Bromide > Chloride > Fluoride
Bromide > Iodide > Chloride > Fluoride
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Question # 7
Elimination biomolecular reactions involve.
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First order kinetics
Second order kinetics
third order kinetics
Zero order kinetics
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Question # 8
The most reactive Alkyl halide is
Choose an answer
Alkyl Iodide
Alkyl Bromide
Alkyl fluoride
Alkyl Chloride
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Question # 9
Grignard reagent is reactive due to
Choose an answer
The presence of halogen atom
The presence of Mg atom
The polarity of C -Mg bond
None of the above
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Question # 10
In primary alkyl halides, the halogen atom is attached to a carbon which is further attached to how many carbon atoms
Choose an answer
Two
Three
One
Four
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Question # 11
Which compound is formed, when CH
3
OH reach with CH
3
- Mg -Br
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Ethane
Methane
Ethanol
Acetone
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Question # 12
Which products is not formed when ethyl alcohol reacts with SOCl2 in the presence of pyridine.
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Ethyl chloride
Hydrogen chloride
Sulphur di oxide
Sulphur tri oxide
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Question # 13
SN2 reactions can be best carried out with
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Primary alkyl halides
Secondary alkyl halides
Tertiary alkyl halides
All the three
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Question # 14
------------------- is not a nucleophile
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H
2
O
NO
3
BF
3
NH
3
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Question # 15
In which process, alkyl halide is not produced.
Choose an answer
Reaction of alcohol with halogen acid
Reaction of Grignard reagent with water
Reaction of alcohol with phosphorous pentachloride
Action of alkene on halogen acid
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Question # 16
The reactivity order of alkyl halides for a particular alkyl group is
Choose an answer
Fluoride > Chloride > Bromide > iodide
Chloride > Bromide > Fluoride > iodide
Bromide > iodide > chloride > Fluoride
Iodide > Bromide > Chloride > Fluoride
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