Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

A solution of a metal ion when treated with KI gives a red precipitate which dissolves in excess KI to give a colourless solution. Moreover, the solution of metal ion on treatment with a solution of cobalt (II) thiocyanate gives rise to a deep blue crystalline precipitate. The metal ion is a. Pb^2+ b. Hg^2+ c. Cu^2+ d. Co^2+

A solution of a metal ion when treated with KI gives a red precipitate which dissolves in excess KI to give a colourless solution. Moreover, the solution of metal ion on treatment with a solution of cobalt (II) thiocyanate gives rise to a deep blue crystalline precipitate.  The metal ion is
a. Pb^2+
b. Hg^2+
c. Cu^2+
d. Co^2+

Grade:11

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
7 years ago

12. (b) Hg2+ + 2KI ? HgI2 ?+2K+

(red ppt)

HgI2 + 2KI ? K2 [HgI4]

Hg2+ + Co2+ + 4SCN- ? Co[Hg(SCN)4]?

(deep blue crystalline)

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free