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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3bn153

Select ALL rows in which the name of the oxyanion and the stated oxidation number of the central atom are BOTH correct.

A $NO X_{2} X^{-}$ , nitrite, $+ 3$
B $SO X_{3} X^{2 -}$ , sulfite, $+ 6$
C $MnO X_{4} X^{2 -}$ , manganate, $+ 6$
D $ClO X_{2} X^{-}$ , chlorite, $+ 3$

Answer: A, C, D

Nitrite N:

x - 4 = - 1

,

+ 3

. Sulfite S:

x - 6 = - 2

, so

+ 4

, not

+ 6

. Manganate Mn:

x - 8 = - 2

,

+ 6

. Chlorite Cl:

x - 4 = - 1

,

+ 3

.

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