WorksheetsSTRUCTURAL ISOMERISM
Total questions: 15
Worksheet time: 8mins
Which among the given molecules can exhibit tautomerism? (NEET-II 2016)
III only
Both I and III
Both I and II
Both II and III
Which of the given compounds can exhibit tautomerism?(NEET 2015)
II and III
I, II and III
I and II
I and III
The enolic form of ethyl acetoacetate as shown below has
9 sigma bonds and 2 pi-bonds
9 sigma bonds and 1 pi-bond
18 sigma bonds and 2 pi-bonds
16 sigma bonds and 1 pi-bond.
Which one of the following pairs represents stereoisomerism? (NEET 2005)
Structural isomerism and geometrical isomerism
Optical isomerism and geometrical isomerism
Chain isomerism and rotational isomerism
Linkage isomerism and geometrical isomerism
Tautomerism is exhibited by
R3CNO2
RCH2NO2
(CH3)3CNO
(CH3)2NH
Isomers of a substance must have the same
structural formula
physical properties
chemical properties
molecular formula.
Which of the following compounds will show metamerism?
CH3 –O–C2 H5
CH3 –O–CH3
C2 H5 –CO– CH3
C2 H5 –S–C2 H5
The enolic form of acetone contains
9 sigma bonds, 1 pi bond and 2 lone pair of electrons
8 sigma bonds, 2 pi bonds and 2 lone pair of electrons
10 sigma bonds, 1 pi bond and 1 lone pair of electrons
9 sigma bonds, 2 pi bonds and 1 lone pair of electrons
C6H5C ≡ N and C6H5N → C are which type of isomers?
Tautomerism
Position
Functional
Linkage
An isomer of ethanol is
Methanol
Diethyl ether
Acetone
Dimethyl ether
Maximum enol content is observed in
Tautomerism is exhibited by
1 and 2
1, 3 and 4
1, 2 and 4
1, 2, 3 and 4
Following types of compounds are studied under which type of isomerism?
Chain isomerism
Position isomerism
Conformers
Stereoisomerism
In which of the following, functional group isomerism is not possible?
Alcohols
Aldehydes
Alkyl halides
Cyanides
(A) : Enol form of cyclohexane-1,3,5 trione is more stable
than its keto form.
(R) : Enol form contains α-hydrogen atoms
if A and R both are correct and R is the correct explanation of A;
if A and R both are correct but R is not the correct explanation of A
A is true but R is false
A is false but R is true
