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Specific Heat Capacity

The chloropla...

Question

The chloroplatinate of an organic base contains $39 %$ of Pt.The equivalent weigth of the base is (atomic mass of platinum = 195)

A

73

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B

59

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C

65

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D

45

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Solution

The correct option is D
45

Equivalent weight of the base (E); $[P t C l_{5}]^{+} 2$ = $\frac{1}{2} (\frac{100}{39} \times 195 - 410 = (500 - 410) = 45$ )

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Similar questions

Q. The chloroplatinate of a diacid base contains

39

% platinum. What is the molecular weight of the base? (

P t = 195

2.40 g

of the chloroplatinate of a mono acid-base on ignition gave

0.8 g

of platinum. Calculate the molecular weight of the base. (Given the atomic weight of

P t = 195 g / m o l

0.3

g of chloroplatinate of an organic diacidic base left

0.09

g of platinum on ignition. The molecular weight (in g/mol) of the organic base is :

0.984 g

of chloroplatinate salt of a diacid base on ignition gave

0.39 g

of platinum. Find the molecular mass of the base.

Q. Fill in the blanks :
Equivalent mass of a base =

\frac{1}{2} [\frac{. . . . . . . . . .}{mass of platinum} \times 195 - 410]

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