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Byju's Answer
Standard XII
Chemistry
Sigma Bond and Pi Bond
A + NaCl → ...
Question
(A) + NaCl
→
(B) (white ppt.)
(B) + (KI)
→
(C) (green ppt.)
(C) +
K
I
(
excess
)
→
(D) + (E) (colourless solution)
(E) +
N
H
3
+ KOH
→
(F)
Type of hybridization in compound (E) is___________.
A
d
2
s
p
3
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B
s
p
3
d
2
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C
s
p
3
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D
d
s
p
2
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Solution
The correct option is
C
s
p
3
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Similar questions
Q.
(A) + NaCl
→
(B) (white ppt.)(B) + (KI)
→
(C) (green ppt.)(C) +
K
I
(
excess
)
→
(D) + (E) (colourless solution)(E) +
N
H
3
+ KOH
→
(F)
Colour of the compound (F) is____________.
Q.
Colourless solution of (A) gives white precipitate (B) with
A
g
N
O
3
solution, soluble in aq.
N
H
3
. (A) also gives white precipiatete (C) with NaOH soluble in excess of it forming (D). (D) gives white precipiate (E) with
H
2
S
.(A), (B), (C), (D) and (E) are as follows.
(A) :
Z
n
C
l
2
(B) :
A
g
C
l
(C) :
Z
n
(
O
H
)
2
(D) :
N
a
2
Z
n
O
2
(E) :
Z
n
S
Q.
N
i
C
l
2
+
K
C
N
(
e
x
c
e
s
s
)
→
A
(
c
y
a
n
o
c
o
m
p
l
e
x
)
N
i
C
l
2
+
c
o
n
c
.
H
C
l
(
e
x
c
e
s
s
)
→
B
(
C
h
l
o
r
o
c
o
m
p
l
e
x
)
The hybridisation of A and B are:
Q.
Match Column-I with Column-II:
Column-I
Column-II
a.
[
N
i
(
C
N
)
4
]
2
−
p.
d
2
s
p
3
b.
[
N
i
(
C
O
)
4
]
q.
s
p
3
d
2
c.
[
C
o
(
e
n
)
3
]
3
+
r.
d
s
p
2
d.
[
C
o
(
B
r
)
3
C
l
3
]
3
−
s.
s
p
3
t. Inner orbital complex
u. Outer orbital complex
Q.
When
M
n
O
2
is fused with
K
O
H
in the presence of
K
N
O
3
as an oxidizing agent, it gives a dark green compound (A).
Compound (A) disproportionates in acidic solution to give purple compound (B).
An alkaline solution of compound (B) oxidises
K
I
to compound (C) whereas an acidified solution of compound (B) oxidises
K
I
to (D). Identify (A), (B), (C), and (D).
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