A) \[MO\]
B) \[{{M}_{2}}{{O}_{3}}\]
C) \[{{M}_{2}}O\]0
D) \[{{M}_{2}}{{O}_{5}}\]
Correct Answer: C
Solution :
| [c] As we know that |
| Equivalent weight \[=\frac{\text{weight of metal}}{\text{weight of oxygen}}\times 8\] |
| \[=\frac{32}{0.4}\times 8=64\] |
| Vapour density \[=\frac{\text{mol}\text{. wt}}{\text{2}}\] |
| Mol. wt \[=2\times V.D=2\times 32=64\] |
| As we know that \[n=\frac{\text{mol}\text{.}\,\text{wt}}{\text{eq}\text{. wt}}=\frac{64}{64}=1\] |
| Suppose, the formula of metal oxide be \[{{M}_{2}}{{O}_{n}}\]. Hence the formula of metal oxide \[={{M}_{2}}O\]. |
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