Question

Molecular formula of the chloride of an element X is XCl.this compound is a solid having high melting point.which of following elements can be present in the same group as X.

Answer 1

Any element from the Alkali metals( lithium, sodium, potassium, rubidium, cesium) can be of the same group as X, because alkali metal chlorides are crystalline solids with high melting points.

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