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The composition of sample is F(0.93)O(1....

The composition of sample is `F_(0.93)O_(1.00)`. Find the correct code for correct statements.
(i) the `%` of `Fe^(+)` by mass is `11.5%`
(ii) The ratio of `Fe^(+3) , Fe^(+2)` ion is `0.17`
(iii) `Fe^(+3)` is `7.84 gm`.

A

I, II & III

B

I & II

C

I & III

D

II & III

Text Solution

Verified by Experts

The correct Answer is:
D
Let no. of `Fe^(2+) = x`
no. of `Fe^(2+) = 0.93 - x`
then `2x + 3 (0.93 - x) = 2`
`x = 0.79`
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