Question

what could be gas y2​

Answer 1

Y2 term has been considered in your question it is not any gas

Answer 2

Answer:

(a) What do you think is metal X?

(b) What could be gas Y 2?

(c) What is compound XO?

Explanation:

d) What is compound Y2O?

(e) Write the chemical equation of the reaction which takes place on heating XO with Y2.

(f) What type of chemical reaction is illustrated in the above equation?