JEE Main Chemistry question

0.75 g platinic chloride of a mono-acid base, on ignition, gave 0.245 g metallic platinum. The molecular weight of the base is:

Answer: (B)

Solution

A monoacidic base B forms the chloroplatinate salt (BH)₂PtCl₆. %Pt in salt = 0.245/0.75 = 32.67%. Setting 195/ + 410) = 0.3267

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Question ID VK-149587