D-And F-Block Elements Ques 126
Question: Purple of cassium is
[BHU 2002]
Options:
A) Gold solution
B) Silver solution
C) Copper solution
D) Platinum solution
Show Answer
Answer:
Correct Answer: A
Solution:
We know by reducing auric chloride by stannous chloride, the colloidal solution of gold is obtained. It is known as purple of cassium.