Element X reacts with chlorine to give XCl . X is most likely to be in the same period of the periodic table. What is X?

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Solution

The correct option is A
Na

Since the 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. Therefore 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.

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Q. Question 2
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Element X reacts with chlorine to give XCl . X is most likely to be in the same period of the periodic table. What is X?

The correct option is A Na Since the 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. Therefore X is Na.

The correct option is A
Na

Since the 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. Therefore X is Na.