Solve
Guides
Join / Login
Use app
Login
0
You visited us
0
times! Enjoying our articles?
Unlock Full Access!
Standard XII
Chemistry
Types of Equillibrium
Question
For the gas phase reaction
P
C
l
5
(
g
)
⇌
P
C
l
3
(
g
)
+
C
l
2
(
g
)
Which of the following conditions are correct ?
Δ
H
<
0
a
n
d
Δ
S
<
0
Δ
H
>
0
a
n
d
Δ
S
<
0
Δ
H
>
0
a
n
d
Δ
S
>
0
Δ
H
=
0
a
n
d
Δ
S
<
0
A
Δ
H
>
0
a
n
d
Δ
S
<
0
B
Δ
H
=
0
a
n
d
Δ
S
<
0
C
Δ
H
>
0
a
n
d
Δ
S
>
0
D
Δ
H
<
0
a
n
d
Δ
S
<
0
Open in App
Solution
Verified by Toppr
Given gas phase reaction is :-
P
C
l
5
(
g
)
⇌
P
C
l
3
(
g
)
+
C
l
2
(
g
)
we know that,
△
H
=
△
H
+
△
n
g
R
T
Here
△
H
=
Erthalpy change of reaction
△
E
=
internal energy change of reaction
△
n
g
=
difference in no. of moles of gaseous products and reactants.
Here,
△
n
g
=
1
+
1
−
1
=
1
>
0
so,
△
H
>
0
&
△
S
=
S product - Sreactant
>
0
Was this answer helpful?
14
Similar Questions
Q1
P
C
l
5
(
g
)
→
P
C
l
3
(
g
)
+
C
l
2
(
g
)
For this reaction relate
Δ
H
and
Δ
U
.
View Solution
Q2
Predict
Δ
H
>
Δ
U
or
Δ
H
<
Δ
U
.
a.
C
(
g
r
a
p
h
i
t
e
)
+
O
2
(
g
)
⟶
C
O
2
(
g
)
b.
P
C
l
5
(
g
)
⟶
P
C
l
3
(
g
)
+
C
l
2
(
g
)
View Solution
Q3
Which of the following factor shifts the reaction,
P
C
l
3
(
g
)
+
C
l
2
(
g
)
⇌
P
C
l
5
(
g
)
;
Δ
H
=
−
v
e
towards the reactant side?
View Solution
Q4
Which of the following will shift the reaction
P
C
l
3
(
g
)
+
C
l
2
(
g
)
⇌
P
C
l
5
(
g
)
,
Δ
H
=
(
+
)
v
e
to left hand side?
View Solution
Q5
The correct statement for an exergonic gaseous reaction
A
+
B
⟶
3
C
will be:
View Solution