Which is not amphoteric

A l^{3 +}

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C r^{3 +}

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F e^{3 +}

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Z n^{2 +}

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Solution

The correct option is C $F e^{3 +}$
All oxides of Fe(FeO, $F e_{2} O_{3}$ ) are basic

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Similar questions

N H_{4} S C N

N i^{2 +}

C o^{2 +}

Z n^{2 +}

M n^{2 +}

F e^{3 +}

A l^{3 +}

C r^{3 +}

A l^{3 +}

F e^{3 +}

C r^{3 +}

Which of the following sets contain only isoelectronic ions?
(i) $Z n^{2 +}, C a^{2 +}, G a^{3 +}, A l^{3 +}$

(ii) $K^{+}, C a^{2 +}, S c^{3 +}, C l^{-}$

(iii) $P^{3 -}, S^{2 -}, C l^{-}, K^{+}$

(iv) $T i^{4 +}, A r, C r^{3 +}, v^{5 +}$

Question 14

The pair of ions having same electronic configuration is.............

(a) $C r^{3 +}, F e^{3 +}$ (b) $F e^{3 +}, M n^{2 +} +$ (c) $F e^{3 +}, C o^{3 +}$ (d) $S C^{3 +}, C r^{3 +}$

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