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Question

Which of the following statements is true about element R present in 13th group of the periodic table?


A

It is gas at room temperature

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B

It has oxidation state of + 4

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C

It forms

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D

It forms

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Solution

The correct option is C

It forms


Group 13 elements belong to the boron family. The oxidation state of group 13 elements is either +1 or +3. All the group 13 elements are solids at room temperature. Valency of element R present in 13th group of the periodic table is 3. Hence it can form R2O3 when it reacts with oxygen.


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