Home
Class 12
CHEMISTRY
Purple of Cassius is...

Purple of Cassius is

A

Gold sol

B

Silver sol

C

Copper sol

D

Platinum sol

Text Solution

Verified by Experts

The correct Answer is:
A
We know that by reducing auric chloride by stannous chloride, the colloidal solution of gold is obtained. It is known as purple of cassius.
Promotional Banner

Similar Questions

Explore conceptually related problems

Match list I (Colloidal system ) with list II (Example) {:("Column-I","Column-II"),((A)"Emulsifier",(p)"Colloidal solution"),((B)"Xerogel",(q)"Soaps "),((C )"Colloidal electrolyte",(r)"Foil of cellophane"),((D)"Purple of Cassius",(s)"Dextrin"),(,(t)"Gold sol"):}

What is purple of casis ?

The sulphide ion gives purple colour which sodium nitroprusside. The purple colour is due to the formation of:

Heterozygous purple flower is crossed with recessive white flower. The progeny has the ratio: