AP EAPCET 06-Jul-2022 Shift 2 Paper

Section: Chemistry

Question : 142 of 160

Marks: +1, -0

Which of the following molecular formula and type of defect are correct for the following statement?
"In FeO crystal, some Fe2+ ions are missing and the loss of positive charge is made up by the presence of Fe3+ ions"

Fe0.95O and metal excess defect
Fe1.05O and metal deficiency defect
Fe0.95O and metal deficiency defect
Fe1.05O and metal excess defect

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