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Byju's Answer
Standard XII
Chemistry
Magnetic Properties
Singlet methy...
Question
Singlet methylene is :
A
Lewis base
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B
Diamagnetic
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C
Nucleophile
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D
Paramagnetic
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Solution
The correct option is
C
Diamagnetic
Singlet methylene
C
H
:
is diamagnetic. In Singlet form, carbenes are spin-paired.
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Q.
The equilibrium
p
−
X
y
l
o
q
u
i
n
o
n
e
+
m
e
t
h
y
l
e
n
e
w
h
i
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e
⇌
o
−
X
y
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l
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y
d
r
o
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may be studied conveniently by observing the difference in color of methylene white and methylene blue. It was then found that 4 percent of the added methylene blue was reduced to methylene white. What is the equilibrium constant of the above reaction? The equation is balanced with one mole each of 4 substances.
Q.
The equilibrium,
p
−
xyloquinone
+
methylene white
→
p
−
xylohydroquinone
+
methylene blue, may be studied conveniently by observing the difference in color of methylene white and methylene blue.
One millimole of methylene blue was added to
1
litre of solution that was
0.24
M
in
p
−
xylohydroquinone and
0.012
M
in
p
−
xyloquinone.
It was then found that
4
%
of the added methylene blue was reduced to methylene white. What is the equilibrium constant for the above reaction? The equation is balanced with one mole each of
4
substances.
Q.
Assertion :Methylene has a sextet of
¯
¯
¯
e
s
. Reason: Methylene behaves as a nucleophile.
Q.
Carbonyl group is converted into methylene group by?
Q.
The name of the compound is Methylene cyclohexane.
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