p-Block elementsHard

Question

When H2S is passed through acidified K2Cr2O7 solution, the solution turns :

Options

A.yellow
B.blue
C.green
D.white

Solution

Cr2O72- oxidises H2S to sulphur but itself reduced to Cr3+, green colour solution.

Create a free account to view solution

View Solution Free
Topic: p-Block elements·Practice all p-Block elements questions

More p-Block elements Questions

In the reaction, H2SO4 + P2O5 (X) + SO3 ; the product (X) is :...Which of the following statements is correct for CsBr3 ?...Which of the following is the wrong statement?...Ozone in stratosphere is depleted by:...The metallic lustre exhibited by sodium is explained by :...