Question

An element X combines with oxygen to form an oxide XO. This oxide is electrically con¬ducting. Write the formula of the compound formed when X reacts with chlorine.
(a) XCl3
(b) XCl
(c) XCl2
(d) XCl5

Answer 1

An element X combines with oxygen to form an oxide XO. This oxide is electrically con¬ducting. Write the formula of the compound formed when X reacts with chlorine.

(a) XCl3

(b) XCl

(c) XCl2

(d) XCl5

answer - c) XCl2

because formula of chlorine is CL2

Answer 2

Answer:

C) Xcl2

Explanation:

this element when combine with chlorine form the chloride with formula XCl2. As  element has 2 electrons in its outer most shell it can combine with 2 chlorine to complete the octate of chlorine. Hence formula will be XCl2 example: BeCl2 or MgCl2

• Hope that helps !!