Question

Which has colored salts that will produce colored aqueous solutions?

• A. $F$
• B. $Li$
• C. $Fe$
• D. $He$
• E. $Si$

Answer 1

Answer: (C)

$Fe$

Being a transition metal $Fe$ forms coloured salts and produce colored aqueous solutions.
Ferric salts $\left(F{e}^{3+}\right)$ are generally red or brown.
Ferrous salts $\left(F{e}^{2+}\right)$ are green.