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Byju's Answer
Standard X
Chemistry
Classification of Hydrocarbons
0.66 g of pla...
Question
0.66
g
of platinichloride of a monoacid base left
0.150
g
of platinum on ignition. Calculate its molecular weight. (
P
t
=
195
)
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Solution
Let the base is B.
∴
B
+
H
2
P
t
C
l
6
→
B
2
H
2
P
t
C
l
6
→
P
t
Base
0.66
g
0.150
g
(dibasic}
If W is the weight of the monoacidic base, then molecular wt of plantinchloride
=
2
W
+
2
+
195
+
6
×
35.5
=
(
2
W
+
410
)
g
Now (
2
W
+
410
)
g
of compound contains
195
g
of
P
t
So
0.66
g
of compound contains
195
2
W
+
410
×
0.66
=
0.150
g
∴
Mol. wt of base
=
w
=
224
g
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0
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