1
JEE Main 2013 (Offline)
MCQ (Single Correct Answer)
+4
-1
The order of stability of the following carbocations :

JEE Main 2013 (Offline) Chemistry - Basics of Organic Chemistry Question 196 English
A
$${\rm I}{\rm I}{\rm I} > {\rm I}{\rm I} > {\rm I}$$
B
$${\rm I}{\rm I} > {\rm I}{\rm I}{\rm I} > {\rm I}$$
C
$${\rm I} > {\rm I}{\rm I} > {\rm I}{\rm I}{\rm I}$$
D
$${\rm I}{\rm I}{\rm I} > {\rm I} > {\rm I}{\rm I}$$
2
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
Identify the compound that exhibits tautomerism.
A
Lactic acid
B
2-Pentanone
C
Pheno
D
2- Butene
3
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
Out of the following, the alkene that exhibits optical isomerism is
A
3–methyl–2–pentene
B
4–methyl–1–pentene
C
3–methyl–1–pentene
D
2–methyl–2–pentene
4
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
The correct order of increasing basicity of the given conjugate bases (R = CH3) is
A
$$RCO\overline O$$ < HC = $$\overline C$$ < $$\overline R$$ < $$\overline NH_2$$
B
$$\overline R$$ < HC = $$\overline C$$ < $$RCO\overline O$$ < $$\overline NH_2$$
C
$$RCO\overline O$$ < $$\overline NH_2$$ < HC = $$\overline C$$ < $$\overline R$$
D
$$RCO\overline O$$ < HC = $$\overline C$$ < $$\overline NH_2$$ < $$\overline R$$
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