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1
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 = $$\overline C$$ < $$\overline NH_2$$ < $$\overline R$$
2
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
3
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
Arrange the carbanions, $${(C{H_3})_3}\overline C $$, $$\overline C C{l_3}$$ , $${(C{H_3})_2}\overline C H$$, $${C_6}{H_5}\overline C H{}_2$$ in order of their decreasing stability :
A
$${(C{H_3})_2}\overline C H$$ > $$\overline C C{l_3}$$ > $${C_6}{H_5}\overline C H{}_2$$ > $${(C{H_3})_3}\overline C $$
B
$$\overline C C{l_3}$$ > $${C_6}{H_5}\overline C H{}_2$$ > $${(C{H_3})_2}\overline C H$$ > $${(C{H_3})_3}\overline C $$
C
$${(C{H_3})_3}\overline C $$ > $${(C{H_3})_2}\overline C H$$ > $${C_6}{H_5}\overline C H{}_2$$ > $$\overline C C{l_3}$$
D
$${C_6}{H_5}\overline C H{}_2$$ > $$\overline C C{l_3}$$ > $${(C{H_3})_3}\overline C $$ > $${(C{H_3})_2}\overline C H$$
4
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
The number of stereoisomers possible for a compound of the molecular formula CH3 - CH = CH - CH(OH) - Me is :
A
2
B
4
C
6
D
3
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