Question
Which one of the following orders presents the correct sequence of the increasing basic nature of the given oxides ?
✓
Answer
a
$\mathop {VO_2^ \oplus }\limits^{ + 5} ,\,\mathop {C{r_2}O_7^{2 - }}\limits^{ + 6} ,\,\mathop {MnO_4^\Theta }\limits^{ + 7} $
$\mathop {VO_2^ \oplus }\limits^{ + 5} ,\,\mathop {C{r_2}O_7^{2 - }}\limits^{ + 6} ,\,\mathop {MnO_4^\Theta }\limits^{ + 7} $
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