1
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
Treatment of cyclopentanone

AIPMT 2015 Cancelled Paper Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 92 English
with methyl lithium gives which of the following species ?
A
Cyclopentanonyl radical
B
Cyclopentanonyl biradical
C
Cyclopentanonyl anion
D
Cyclopentanonyl cation
2
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
The number of d-electrons in Fe2+ (Z = 26) is not equal to the number of electrons in which one of the following ?
A
d-electrons in Fe (Z = 26)
B
p-electrons in Ne (Z = 10)
C
s-electrons in Mg (Z = 12)
D
p-electrons in Cl(Z = 17)
3
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
The angular momentum of electron in 'd' orbital is equal to
A
$$2\sqrt 3 h$$
B
0 $$\hbar $$
C
$$\sqrt 6 \,\hbar $$
D
$$\sqrt 2 \,\hbar $$
4
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
The species Ar, K+ and Ca2+ contain the same number of electrons. In which order do their radii increase ?
A
Ca2+ < K+ < Ar
B
K+ < Ar < Ca2+
C
Ar < K+ < Ca2+
D
Ca2+ < Ar < K+
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