NEET 2023 Phase 2 · ChemistryOxide naturePrevious Year Question

Which of the following is correctly matched?

Answer: (A) Acidic oxides — $Mn X_{2} O X_{7}$ , $SO X_{2}$ , $TeO X_{3}$ . \textbf{Answer:} (A) Acidic oxides — $Mn X_{2} O X_{7}$ , $SO X_{2}$ , $TeO X_{3}$ \textbf{Solution:} $Mn X_{2} O X_{7}$ (highest oxidation-state oxide of Mn), $SO X_{2}$ and $TeO X_{3}$ are all acidic oxides, so option A is correctly matched.

A.Acidic oxides — $Mn X_{2} O X_{7}$ , $SO X_{2}$ , $TeO X_{3}$ ✓
B.Amphoteric oxides — $BeO$ , $Ga X_{2} O X_{3}$ , $GeO$
C.Basic oxides — $In X_{2} O X_{3}$ , $K X_{2} O$ , $SnO X_{2}$
D.Neutral oxides — $CO$ , $NO X_{2}$ , $N X_{2} O$

Correct Answer

(A) Acidic oxides — $Mn X_{2} O X_{7}$ , $SO X_{2}$ , $TeO X_{3}$

Solution & Explanation

\textbf{Answer:} (A) Acidic oxides — $Mn X_{2} O X_{7}$ , $SO X_{2}$ , $TeO X_{3}$ \textbf{Solution:} $Mn X_{2} O X_{7}$ (highest oxidation-state oxide of Mn), $SO X_{2}$ and $TeO X_{3}$ are all acidic oxides, so option A is correctly matched. In B, $GeO$ does not fit cleanly as amphoteric in this set; in C, $In X_{2} O X_{3}$ and $SnO X_{2}$ are not basic; in D, $NO X_{2}$ is not a neutral oxide (only $CO$ and $N X_{2} O$ are neutral).

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