1
KCET 2017
MCQ (Single Correct Answer)
+1
-0
In which of the following, homolytic bond fission takes place?
A
Free radical chlorination of methane
B
Addition of HBr to double bond
C
Alkaline hydrolysis of ethyl chloride
D
Nitration of benzene
2
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The correct set of quantum number for the unpaired electrons of chlorine atom is
A
$2,1-1,+\frac{1}{2}$
B
$2,0,0,+\frac{1}{2}$
C
$3,1,1, \pm \frac{1}{2}$
D
$3,0,0, \pm \frac{1}{2}$
3
KCET 2017
MCQ (Single Correct Answer)
+1
-0
Which of the following metallic oxide exhibit amphoteric nature?
A
CaO
B
$\mathrm{Al}_2 \mathrm{O}_3$
C
$\mathrm{Na}_2 \mathrm{O}$
D
BaO
4
KCET 2017
MCQ (Single Correct Answer)
+1
-0
Which one of the following noble gas has an unusual property of diffusing through the materials such as rubber, glass or plastic?
A
Kr
B
Ne
C
Ar
D
He
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