Question

To remove the excess silver ions the solution is washed with _________ under nitrogen stream.

(a) Heavy water

(b) Mineral water

(c) Deioniser water

(d) Impure water

The question was asked in my homework.

My enquiry is from Sol-Gel Method and Chemical Reduction Method topic in division Nano Materials of Applied Chemistry

Answer 1

Right option is (c) Deioniser water

Best explanation: To remove the excess silver ions the solution is washed with deioniser water under nitrogen stream. This process must be done three times.