The first transition series metal 'M' has the highest enthalpy of… - Vidyadip

MCQ

The first transition series metal 'M' has the highest enthalpy of atomisation in its series. One of its aquated ion $\left(\mathrm{M}^{\text {n+}}\right)$ exists in green colour. The nature of the oxide formed by the above $\mathrm{M}^{\mathrm{n}-}$ ion is :

A
neutral
B
acidic
C
basic
D
amphoteric

✓

Answer

C. basic
→ In 3d series Vanadium has highest enthalpy of atomization and colour of $\mathrm{V}^{+3}$ is green.
→ Oxide form by $\mathrm{V}^{+3}$ is $\mathrm{V}_{2} \mathrm{O}_{3}$ (Basic oxide)

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