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Which is true for an element R present i...

Which is true for an element `R` present in `13 th` group of the perodic table?

A

It is a gas at room temperature

B

It has oxidation state +4

C

It forms `R_(2)O_(3)`

D

It forms `RX_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Element R belongs to group 13. As such the formula of its oxide is `R_(2)O_(3)`. (Element R shows the group valency i.e., 3 of Group 13).
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