Element X reacts with a chloride to give XCl. X is most likely to be in the same period of the periodic table. Find X.

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Solution

The correct option is A
Na

Since element X forms XCl, the valency of X is 1. Now out of Na, Mg, Al, and Si the element with valency 1 is Na. So, X is Na.

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Element X reacts with a chloride to give XCl. X is most likely to be in the same period of the periodic table. Find X.

The correct option is A Na Since element X forms XCl, the valency of X is 1. Now out of Na, Mg, Al, and Si the element with valency 1 is Na. So, X is Na.

The correct option is A
Na

Since element X forms XCl, the valency of X is 1. Now out of Na, Mg, Al, and Si the element with valency 1 is Na. So, X is Na.