Question

Which of the following formula and colour is/are correct for hydrated salts:-

• A. Green vitriol - $FeS{O}_4.5H_{2}O$ Colour:- Green
• B. White vitriol - $ZnS{O}_4.7H_{2}O$ Colour:- White
• C. Red Vitriol:- $CoS{O}_4.7H_{2}O$, Red Colour: - Red
• D. Blue vitriol :- $CuS{O}_4.5H_{2}O$ Colour:- Blue

Answer 1

Answer: (A), (B), (C), (D)

The correct options are
A

Green vitriol - $FeS{O}_4.5H_{2}O$

Colour:- Green

B

White vitriol - $ZnS{O}_4.7H_{2}O$

Colour:- White

C

Red Vitriol:- $CoS{O}_4.7H_{2}O$, Red

Colour: - Red

D

Blue vitriol :- $CuS{O}_4.5H_{2}O$

Colour:- Blue

The colour given in the name is actually the colour of the salt.

Green vitriol - $FeS{O}_4.7H_{2}O$, Green

White vitriol :- $ZnS{O}_4.7H_{2}O$, White

Red Vitriol:- $CoS{O}_4.7H_{2}O$, Red

Blue vitriol :- $CuS{O}_4.5H_{2}O$, Blue