1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Chemistry
Types of Redox Reactions
Explain how ...
Question
Explain how
Z
n
+
2
A
g
N
O
3
→
2
A
g
+
Z
n
(
N
O
3
)
2
is a redox reaction.
Open in App
Solution
Z
n
+
2
A
g
N
O
3
(
0
)
A
g
N
O
3
x
+
(
−
1
)
=
0
x
=
+
1
(
A
g
+
)
⟶
2
A
g
+
Z
n
(
N
O
3
)
2
(
0
)
Z
n
(
N
O
3
)
2
x
+
2
(
−
1
)
=
0
x
=
2
(
Z
n
+
2
)
Here oxidation no. of
Z
n
changes from
0
in
Z
n
to
+
2
in
Z
n
(
N
O
3
)
2
. It is oxidised.
A
g
is reduced. Because , in
A
g
N
O
3
,
it is in
+
1
state and reduced to
O
in
A
g
.
Oxidation and reduction happened in a single reaction. So, it is a
r
e
d
o
x
r
e
a
c
t
i
o
n
.
Suggest Corrections
1
Similar questions
Q.
The least reactive metal in the given reactions is
.
Zn
(
s
)
+
2
AgNO
3
(
aq
)
→
Zn
(
NO
3
)
2
(
aq
)
+
2
Ag
(
s
)
Fe
(
s
)
+
2
AgNO
3
(
aq
)
→
Fe
(
NO
3
)
2
(
aq
)
+
2
Ag
(
s
)
Q.
Which of the following are redox reactions?
I.
P
C
l
3
+
C
l
2
→
P
C
l
5
II.
C
u
+
2
A
g
N
O
3
→
C
u
(
N
O
3
)
2
+
2
A
g
III.
C
O
2
+
2
L
i
O
H
→
L
i
2
C
O
3
+
H
2
O
IV.
F
e
C
l
2
+
2
N
a
O
H
→
F
e
(
O
H
)
2
+
2
N
a
C
l
Q.
Classify the following into chemical combination, decomposition, displacement and double displacement reaction.
2
A
g
N
O
3
+
C
u
→
C
u
(
N
O
3
)
2
+
2
A
g
↓
Q.
Consider the following two reactions:
I.
Z
n
+
c
o
n
c
.
H
N
O
3
(
h
o
t
)
→
Z
n
(
N
O
3
)
2
+
X
+
H
2
O
II.
Z
n
+
d
i
l
.
H
N
O
3
(
c
o
l
d
)
→
Z
n
(
N
O
3
)
2
+
Y
+
H
2
O
Compounds
X
and
Y
are respectively :
Q.
The following two reactions of
H
N
O
3
with
Z
n
are given as (equations are not balanced)
Z
n
+
c
o
n
c
.
H
N
O
3
⟶
Z
n
(
N
O
3
)
2
+
X
+
H
2
O
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
(
A
)
Z
n
+
d
i
l
.
H
N
O
3
⟶
Z
n
(
N
O
3
)
2
+
Y
+
H
2
O
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
(
B
)
In reactions
A
and
B
, the compounds
X
and
Y
respectively are
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Types of Redox Reactions
CHEMISTRY
Watch in App
Explore more
Types of Redox Reactions
Standard XII Chemistry
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app