Worksheetschemquiz-2
Total questions: 22
Worksheet time: 11mins
The reaction:
CH3Br + AgF → CH3F + AgBr is called
Swarts reaction
Finkelstein reaction
Gattermann reaction
Perkin reaction
The reaction:
R – Cl + KI → RI + KCl (in presence of acetone)Is known as
Hunsdieker reaction
Finkelstein reaction
Ulmann reaction
Wurtz reaction
CH3CHCl2 and CH2Cl CH2Cl are examples of :
Functional isomers
Metamers
Chain isomers
Position isomers
The synthesis of alkyl fluoride is best accomplished by: (JEE 2015 C)
Finkelstein reaction
Swarts reaction
Free radical fluorination
Sandmeyer’s reaction
The most reactive halogen in halogenations of alkanes under sunlight
F
Cl
Br
I
The most reactive halogen in halogenations of alkanes under sunlight
F
Cl
Br
I
Haloalkanes are best obtained by
Swartz reaction
Darzzen's process
Finkelstein process
None of these
The geminal dihalide contains halogen bonded to
Different carbon atom
Same carbon atom
Adjacent carbon atom
All the above
Complete the following reaction
R-OH + PCl5 → RCl + X + HCl
X is
PCl3
PCl5
POCl3
POBr3
complete the following reaction
R-OH + X → RCl + SO2 + HCl
SO2
SOCl3
SOCl2
SOCl
The halogenation of alkanes gives alkyl halide which are
Positional isomers
Chain isomers
Functional isomers
Metamers
The IUPAC name of CH3 CH2 CH2 CH2 Br is
Bromobutane
Bromopropane
Bromoethane
Bromopentane
Complete the following reaction
3R-OH + PCl3 → 3 R-Cl + X
The X is
H2PO2
H3PO4
H3PO3
H3PO5
Alkyl halide on treatment with aqueous KOH give
Acids
Alcohols
Aldehydes
Alkanes
The typical reaction of alkyl halide is:
Electrophillic substitution
Nucleophillic substitution
Electrophillic addition
Nucleophillic addition
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
For a given halogen atom the reactivity is maximum for
Methyl halide
Primary halide
Secondary halide
Tertiary halide
Which of the following alkyl halide is most readily undergoes hydrolysis by SN1 mechanism?
CH3CH2CH2Cl
CH3Cl
(CH3)2 CHCl
(CH3)3 CCl
The compound ethylisocyanide is prepared by the reaction between:
C2H5Br and KCN
C2H5Br and AgCN
C2H5Br and HCN
C2H5Br and ammonia
In SN1 type of mechanism the intermediate species is:
A free radical
A carbonium ion(carbo cation)
A carboanion
None of these
Ethyl bromide on treatment with silver cyanide give :
Ethyl acetate
Ethyl iso cyanide
Ethyl cyanide
Ethyl amine
Which of the following will have maximum boiling point?
C3H7Br
C3H7F
C3H7Cl
C3H7I
