Question

Which of the following having non-stoichiometric defects?

• A. NaCl
• B. SrCl₂
• C. Fe_0.95O
• D. KBr

Answer 1

The correct option is C

Fe_0.95O

Law of definite proportion can’t be followed by compounds which have non-stoichiometric defects.Laws of definite proportion states that chemical compound always contains exactly same amount of proportion by mass. In the options $F{e}_{0.95}O$ ‘s proportions cant be represented by integers so it have non-stoichiometric defects.