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1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
In the anion HCOO$$-$$ the two carbon-oxygen bonds are found to be of equal length. What is the reason for it?
A
The C = O bond is weaker than the C-O bond
B
The anion HCOO- has two resonating structures
C
The anion is obtained by removal of a proton from the acid molecule
D
Electronic orbitals of carbon atom are hybridised
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
A similarity between optical and geometrical isomerism is that
A
each forms equal number of isomers for a given compound
B
if in a compound one is present then so is the other
C
both are included in stereoisomerism
D
they have no similarity
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following does not show geometrical isomerism?
A
1,2-dichloro-1-pentene
B
1,3-dichloro-2-pentene
C
1,1-dichloro-1-pentene
D
1,4-dichloro-2-pentene
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Arrangement of (CH3)3C-, (CH3)2CH-, CH3-CH2- when attached to benzyl or an unsaturated group in increasing order of inductive effect is
A
(CH3)3C- < (CH3)2CH- < CH3-CH2
B
CH3-CH2- < (CH3)2CH- < (CH3)3C-
C
(CH3)2CH- < (CH3)3C- < CH3-CH2
D
(CH3)3C- < CH3-CH2- < CH3)2CH-
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