Question

In which of the following method of purification, metal is converted to its volatile
compound which is decomposed to give pure metal?
(i) heating with stream of carbon monoxide.
(ii) heating with iodine.
(iii) liquation.
(iv) distillation.


NCERT Class XII
Chemistry - Exemplar Problems

Chapter 6. General Principles and Processes of Isolation of Elements

Answer 1

In which of the following method of purification, metal is converted to its volatile compound which is decomposed to give pure metal? (i) heating with stream of carbon monoxide. (ii) heating with iodine. So answers are 1 and 2

Answer 2

i and ii are the answers.