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JEEMAIN and NEET
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Chemistry
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How to determine osmotic pressure in mixture of three different solution?
answered
Jun 13, 2017
by
tgoel5884
1
answer
The van't Hoff factor of the compound
K
3
F
e
(
C
N
)
6
in dilute solution is
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
vant-hoff-factor
colligative-properties
vant-hoff
easy
answered
Jun 13, 2017
by
tgoel5884
2
answers
An azeotropic solution of two liquids has a boiling point lower than either of them when it
jeemain
chemistry
class12
unit2
solutions
q76
difficult
answered
Apr 23, 2017
by
tanishkalersingh
2
answers
70
m
l
of
2
molal
H
N
O
3
solution whose density is
1.126
g
/
m
l
is mixed with
30
m
l
of
2
molal
N
a
O
H
solution whose density is
1.08
g
/
m
l
and some water is also added so that concentration of
H
+
ion in resulting solution becomes
0.2
M
.
How many mili moles of
H
+
will be present in final solution
jeemain
chemistry
solutions
answered
Jan 18, 2016
by
meena.p
1
answer
When mercuric iodide is added to the aqueous solution of potassium iodide,the
jeemain
chemistry
class12
unit2
solutions
q79
difficult
answered
Dec 6, 2015
by
vivekloya24
3
answers
for a very dilute solution of h3po3 van't hoff factor
chemistry
class12
liquid-solutions
colligative
properties
jeemain
jeeadvance
answered
Jul 6, 2015
by
sharmaaparna1
1
answer
if a solute under goes dimerization and trimerizaton, the minimum values of the van't hoff factors are
class12
ch2
chemistry
liquid-solutions
colligative
properties
jeemain
jeeadvance
answered
Jul 6, 2015
by
sharmaaparna1
1
answer
Benzoic acid undergoes dimerisation in benzene solution. the vant's hoff factor'i' is related to the degree of association 'α' of the acid as
chemistry
class12
liquid-solutions
colligativeproperties
jeemain
jeeadvance
answered
Jul 6, 2015
by
sharmaaparna1
1
answer
18 gms of glucose and 6 gms Urea are dissolved in 1 litre aqueous solution at 27 °c. the osmotic pressure of solution will be
chemistry
class12
solutions
jeemain
jeeadvance
colligative
properties
answered
Jul 4, 2015
by
sharmaaparna1
1
answer
calculate the molal solution depression constant of a solvent which has freezing point 16.6° and latent heat of fusion 180.75J/g
chemistry
class12
solutions
jeemain
jeeadvance
answered
Jul 3, 2015
by
sharmaaparna1
1
answer
Maximum freezing point will be for 1 molal solution of (assuming equal ionization in each case)
colligative-properties
vant-hoff
depression-of-freezing-point
asked
Jun 16, 2015
by
varun28031999
0
answers
How to determine molarity in simple way?
answered
Nov 27, 2014
by
pady_1
1
answer
A sample of wustite
F
e
x
O
contains one
F
e
(
I
I
I
)
for every three
F
e
(
I
I
)
.
Calculate the value of x.
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
solved problems
composition-of-a-solution
medium
answered
Aug 11, 2014
by
meena.p
1
answer
The composition of a sample of wiistite is
F
e
0.93
O
1.00
−
. What percentage of the ion is present in the form of
F
e
(
I
I
I
)
?
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
solved problems
composition-of-a-solution
medium
answered
Aug 11, 2014
by
meena.p
1
answer
Calculate the percentage of void volume in the body centred
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
solved problems
composition-of-a-solution
medium
answered
Aug 11, 2014
by
meena.p
1
answer
Calculate the percentage of void volume in the primitive
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
solved problems
composition-of-a-solution
medium
answered
Aug 11, 2014
by
meena.p
1
answer
Lil occurs as cubical - closest packing . If the edge length of a unit cell is
624
p
m
, determine the ionic radii of
L
i
+
and
I
−
ions.
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
solved problems
composition-of-a-solution
medium
answered
Aug 11, 2014
by
meena.p
1
answer
KCl crystallizes in the same type of lattice as does
N
a
C
l
. Given that
r
N
a
+
r
c
l
−
=
0.5
and
r
N
a
+
r
K
+
=
0.5
calculate the ratio of density of NaCl to that KCl
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
solved problems
composition-of-a-solution
medium
answered
Aug 11, 2014
by
meena.p
1
answer
KCl crystallizes in the same type of lattice as does
N
a
C
l
. Given that
r
N
a
+
r
c
l
−
=
0.5
and
r
N
a
+
r
K
+
=
0.5
calcute the ratio of the unit cell for
K
C
l
to that for
N
a
C
l
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
solved problems
composition-of-a-solution
medium
answered
Aug 11, 2014
by
meena.p
1
answer
If the radius of
C
s
+
is
169
p
m
and that of
C
l
−
is
181
p
m
, predict the structure of
C
s
C
l
. What is the coordination number of
C
s
+
ion ?
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
solved problems
composition-of-a-solution
medium
answered
Aug 11, 2014
by
meena.p
1
answer
A solid
A
+
B
−
has an
N
a
C
l
type closet packed structure . If the radius of the anion is
250
p
m
What is the radius of the cation ?
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
solved problems
composition-of-a-solution
medium
answered
Aug 8, 2014
by
meena.p
1
answer
The atomic radius of stronitum is
215
p
m
and it crystallizes with a cubical closest - packed structure . Calculate the density of strontium. The molar mass of strontium is
87.6
g
m
o
l
−
1
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
solved problems
composition-of-a-solution
medium
answered
Aug 8, 2014
by
meena.p
1
answer
Caesium chloride may be considered to form interpenetrating simple primitive cubic crystals. The edge length of unit cell is
412
p
m
. Determine the ionic radius of
C
s
+
if the ionic radius of
C
l
−
if the ionic radius of
C
l
−
is
181
P.m Given
M
(
C
s
)
=
133
g
m
o
l
−
1
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
solved problems
composition-of-a-solution
medium
answered
Aug 8, 2014
by
meena.p
1
answer
Caesium chloride may be considered to form interpenetrating simple primitive cubic crystals. The edge length of unit cell is
412
p
m
. Determine the density of
C
s
C
l
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
solved problems
composition-of-a-solution
medium
answered
Aug 8, 2014
by
meena.p
1
answer
The edge length of cubic unit cell of metallic calcium is
556
p
m
If the density of calcium is
1.54
g
c
m
−
3
and its molar mass is
40.08
]
;
g
m
o
l
−
1
calculate the radius of calcium atom.
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
solved problems
composition-of-a-solution
medium
answered
Aug 8, 2014
by
meena.p
1
answer
Calculate the radius of molybdenum atom if the element crystallizes as body- centred cubic crystals. Given: Density of
M
o
=
10.3
g
c
m
−
3
and molar mass of
M
o
=
95.94
g
m
o
l
−
1
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
solved problems
composition-of-a-solution
medium
answered
Aug 8, 2014
by
meena.p
1
answer
The Van't Hoff factor of acetic acid in water will be
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
vant-hoff-factor
colligative-properties
vant-hoff
easy
answered
Aug 8, 2014
by
meena.p
1
answer
The van't hoff factor for
0.1
m
o
l
a
l
B
a
(
N
O
3
)
2
solution is
2.74
. Its degree of dissociation is
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
vant-hoff-factor
colligative-properties
vant-hoff
easy
answered
Aug 8, 2014
by
meena.p
1
answer
Which of following electrolytes would have the same van't hoff factor as that of potassium ferricyanide ?
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
vant-hoff-factor
colligative-properties
vant-hoff
easy
answered
Aug 8, 2014
by
meena.p
1
answer
The Van't Hoff factor of benzoic acid in benzene is found to be
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
vant-hoff-factor
colligative-properties
vant-hoff
easy
answered
Aug 8, 2014
by
meena.p
1
answer
The degree of dissociation
(
α
)
of a weak electrolyte
A
x
B
y
is related to van't Hoff factor (i) by the expression
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
vant-hoff-factor
colligative-properties
vant-hoff
easy
answered
Aug 8, 2014
by
meena.p
1
answer
A
0.004
M
solution of
K
2
S
O
4
is isotonic with a
0.010
M
Solution of glucose at the same temperature . Tge apparent per cent degree of dissociation of
K
2
S
O
4
is
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
osmotic pressure
colligative-properties
osmotic-pressure
medium
answered
Aug 7, 2014
by
meena.p
1
answer
Which of the following pairs of solutions are expected to be isotonic?
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
osmotic pressure
colligative-properties
osmotic-pressure
medium
answered
Aug 7, 2014
by
meena.p
1
answer
In the phenomenon of osmosis through the semipermeable membrane
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
osmotic pressure
colligative-properties
osmotic-pressure
medium
answered
Aug 7, 2014
by
meena.p
1
answer
The osmotic pressure of
0.1
M
sodium chloride solution at
27
∘
C
is
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
osmotic pressure
colligative-properties
osmotic-pressure
easy
answered
Aug 7, 2014
by
meena.p
1
answer
The osmotic pressure of a solution
(
d
e
n
s
i
t
y
=
1.02
g
c
m
−
3
)
Containing 50 g glucose
(
C
6
H
12
O
6
)
in 1 kg of water at 300 K is
jeemain
chemistry
physical-chemistry
class12
ch2
sec-b
solutions
osmotic pressure
colligative-properties
osmotic-pressure
easy
answered
Aug 7, 2014
by
meena.p
1
answer
A semipermeable membrane used in the measurement of osmotic pressure of a solution allows the passage of
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
osmotic pressure
colligative-properties
osmotic-pressure
easy
answered
Aug 7, 2014
by
meena.p
1
answer
A solution containing
0.5
g
of a solute (molar mass 130 g\;mol^{-1})
i
n
50 \;g\;CCl_4$ yields a boiling point elevation of boiling point . The molar mass of solute is about
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
elevation-of-boiling- point
colligative-properties
elevation-of-boiling-point
medium
answered
Aug 7, 2014
by
meena.p
1
answer
The solvent
C
S
2
has enthalpy of vapourization of
352
J
g
−
1
and boiling point equal to
320
K
. The value of
K
b
for this solvent is about.
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
elevation-of-boiling- point
colligative-properties
elevation-of-boiling-point
medium
answered
Aug 7, 2014
by
meena.p
1
answer
A solvent of molar mass
84.2
g
m
o
l
−
1
and boiling point
81.4
∘
C
has boiling point elevation constant equal to
2.79
K
k
g
m
o
l
−
1
. Its molar enthalpy of vapourization will be about
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
elevation-of-boiling- point
colligative-properties
elevation-of-boiling-point
medium
answered
Aug 7, 2014
by
meena.p
1
answer
A sucrose solution in 50 g water boils at
100.15
∘
C
, If this solution is heated till its temperature is
100.375
∘
C
, how much of water is evaporated ? Given :
K
b
(
w
a
t
e
r
)
=
0.52
K
k
g
m
o
l
−
1
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
elevation-of-boiling- point
colligative-properties
elevation-of-boiling-point
medium
answered
Aug 7, 2014
by
meena.p
1
answer
An involatile solute A dimerizes in a solvent as
2
A
⇌
A
2
. If m is the molarity of solute in the solution , then the equilibrium constant of the reaction is given as
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
elevation-of-boiling- point
colligative-properties
elevation-of-boiling-point
medium
answered
Aug 6, 2014
by
meena.p
1
answer
The elevation in boiling point when
20.16
g
of freshly prepared
C
u
C
l
2
(relative molar mass :
134.4
) is dissolved in
1
k
g
of water
(
K
b
=
0.52
k
g
K
m
o
l
−
1
)
is
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
elevation-of-boiling- point
colligative-properties
elevation-of-boiling-point
medium
answered
Aug 6, 2014
by
meena.p
1
answer
When mercuric iodide is added to an aqueous solution of potassium iodide, the
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
elevation-of-boiling- point
colligative-properties
elevation-of-boiling-point
medium
answered
Aug 6, 2014
by
meena.p
1
answer
The elevation of boiling point of water produced by dissolving
1.17
g
sodium chloride in
100
g
water
K
b
=
0.512
K
k
g
m
o
l
−
1
)
is
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
elevation-of-boiling- point
colligative-properties
elevation-of-boiling-point
medium
answered
Aug 6, 2014
by
meena.p
1
answer
The boiling point of water at
735
Torr is
99.07
∘
C
. The mass of
N
a
C
l
added in
100
g
water
(
K
b
=
0.51
K
k
g
m
o
l
−
1
)
to make its boiling point
100
∘
C
is
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
elevation-of-boiling- point
colligative-properties
elevation-of-boiling-point
medium
answered
Aug 6, 2014
by
meena.p
1
answer
For an ideal solution containing a nonvolatile solute, Which of the following expression is correctly represented ?
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
elevation-of-boiling- point
colligative-properties
elevation-of-boiling-point
easy
answered
Aug 6, 2014
by
meena.p
1
answer
Which of the following solvents has the largest value of
K
f
?
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
freezing-point
colligative-properties
depression-of-freezing-point
medium
answered
Aug 6, 2014
by
meena.p
1
answer
The molar mass and the freezing point of camphor are
152.2
g
m
o
l
−
1
and
178.4
∘
C
respectively . The cryoscopic constant of camphor is
37.7
K
k
g
m
o
l
−
1
, the molar enthalpy of fusion of camphor is about
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
freezing-point
colligative-properties
depression-of-freezing-point
medium
answered
Aug 6, 2014
by
meena.p
1
answer
If the freezing point depression constant of a solvent is
20.0
K
k
g
m
o
l
−
1
. If its
Δ
f
u
s
H
0
m
=
2.74
k
J
m
o
l
−
1
and its molar mass is
84.2
g
m
o
l
−
1
the normal freezing point of the solvent would be about
jeemain
chemistry
physical-chemistry
class12
ch2
solutions
freezing-point
colligative-properties
depression-of-freezing-point
medium
asked
Aug 6, 2014
by
meena.p
1
answer
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