Question

If an element A shows two cationic states +2 and +3 and forms oxides in such a way that the ratio of element showing +2 and +3 state is 1:3 in a compound.Formula of the compound will be?

1)A8O11
2)A4O11
3)A9O11
4)A5O11

Answer 1

Answer:

A8011 is the answer of this

Answer 2

here is ur answer
2) A4011
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