Bi³+

Question 1

What is the colour of Bi³+ precipitates in general?

Answer 1

Black ppt

Question 2

Bi³+ + NaOH, mention ppt colour too

Answer 2

Bi(OH)3 (white)

Question 3

Bi(OH)3 heat , mention colour too

Answer 3

BiO.OH(white ppt) + H2O

Question 4

BiO.OH + H2O2 mention colour too

Answer 4

BiO3‐ (yellow brown)+ H2O

Question 5

Bi³+ KI mention colour too

Answer 5

BiI3(black ppt)

Question 6

What does BiI3 form on heating with water? Mention colour too

Answer 6

BiOI(orange ppt) + HI

Question 7

BiI3 + KI excess ,mention colour too

Answer 7

[BiI4]‐ (orange solution)

Question 8

Bi(OH)3 + (Sn(OH)4)²-

Answer 8

Bi + (Sn(OH)6)²-