Q29 / 160 · AP EAMCET 2024 (18 May Shift 1) · Chemistry

Identify the basic oxide from the following :

  • A
    $\mathrm{Cr}_2 \mathrm{O}_3$
  • B
    $\mathrm{CrO}_3$
  • C
    $\mathrm{V}_2 \mathrm{O}_5$
  • Correct answer
    D
    $\mathrm{V}_2 \mathrm{O}_3$

Solution

The oxides of transition metal that contain metals in lower oxidation state are considered to be basic and basic character of metal oxide decreases along the period. Figure
$\mathrm{V}_2 \mathrm{O}_3$ present in its lowest oxidation state The vanadium tends to donate the pair of electrons Hence it is basic oxide.

Hence, the correct answer is option: 'D'.

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