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Haloalkanes And Haloarenes
Quiz 3
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Q.1
In SN1 type of mechanism the intermediate species is:
A free radical
A carbonium ion(carbo cation)
A carboanion
None of these
Q.2
The compound ethylisocyanide is prepared by the reaction between:
C2H5Br and KCN
C2H5Br and AgCN
C2H5Br and HCN
C2H5Br and ammonia
Q.3
Which of the following alkyl halide is most readily undergoes hydrolysis by SN1 mechanism?
CH3CH2CH2Cl
CH3Cl
(CH3)2 CHCl
(CH3)3 CCl
Q.4
The most reactive alkyl halide is :
R – Cl
R – Br
R- I
R- F
Q.5
For a given halogen atom the reactivity is maximum for
Methyl halide
Primary halide
Secondary halide
Tertiary halide
Q.6
In SN1 the order of reactivity of halide is:
30 > 20 > 10 > methyl
Methyl > 10>20 > 30
30 > 20 > methyl > 10
20 > 10 > methyl > 30
Q.7
The typical reaction of alkyl halide is:
Electrophillic substitution
Nucleophillic substitution
Electrophillic addition
Nucleophillic addition
Q.8
Alkyl halide on treatment with aqueous KOH give
Acids
Alcohols
Aldehydes
Alkanes
0 h : 0 m : 1 s
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