1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Chemistry
Representation of Cell
If atomic eq....
Question
If atomic eq. 40% of
P
C
l
5
dissociated. Calculate equivalent molar mass.
Open in App
Solution
P
C
l
5
(
g
)
⇌
P
C
l
3
(
g
)
+
C
l
2
(
g
)
Lct ni(initial moles of
P
C
l
5
)
=
1
ni
1
0
0
neq
1
−
0.4
=
0.6
0.4
0
,
.4
∴
molar mass =
∑
mols tradition of complement
×
molecules mass
=
0.4
1.4
×
71
+
0.4
1.4
×
137.5
+
0.6
1.4
×
208.5
=
148.93
Suggest Corrections
0
Similar questions
Q.
The apparent molar mass of
P
C
l
5
on dissociation shows lower value.
If true enter 1, if false enter 0.
Q.
For
0.0128
N solution of acetic acid at
25
∘
C
, equivalent conductance of the solution is
λ
e
q
=
1.4
m
h
o
c
m
2
e
q
−
1
and
λ
∞
=
391
m
h
o
c
m
2
e
q
−
1
. Calculate dissociation constant (
K
a
) of acetic acid.
Q.
Two moles of
P
C
l
5
were introduced in a
2
litre flask and heated at
600
K
to attain equilibrium.
P
C
l
5
was found to be
40
% dissociated into
P
C
l
3
,
C
l
2
. Calculate the value of
K
c
.
Q.
2 mole each of
P
C
l
5
and
C
l
2
and 1 mole of
P
C
l
3
are taken in 5lt. flask at
27
o
C
. After following equilibrium is attained in gaseous phase,
P
C
l
5
⇌
P
C
l
3
+
C
l
2
,
P
C
l
5
is found to be 40% dissociated. Calculate equilibrium constant
K
c
.
Q.
At 473K, partially dissociated vapours of
P
C
l
5
are 62 times as heavy as
H
2
. Calculate the degree of dissociation of
P
C
l
5
.
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
Electrochemical Cell
CHEMISTRY
Watch in App
Explore more
Representation of Cell
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
Solve
Textbooks
Question Papers
Install app