$2\text{C(s)}+\text{O}_2(\text{g})\rightarrow\ \stackrel{{+2}}{\ \ 2 \text{CO(g)}};\ \ \text{C(s)}+\text{O}_2(\text{g})\rightarrow\ \stackrel{{+4}}{\ \ \text{CO}_{2}}(\text{g})\$\text{Excess})\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ (\text{Excess})$
$\text{P}_4(\text{s})+6\text{Cl}_2(\text{g})\rightarrow\stackrel{{+3}}{4 \text{PCl}_3};\ \ \ \text{P}_4(\text{s})+10\text{Cl}_2\rightarrow\ \stackrel{{+5}}{4 \text{PCl}_5}\\ (\text{Excess})\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ (\text{Excess})$
$4\text{Na(s)}+\text{O}_2(\text{g})\rightarrow\stackrel{{-2}}{ \text{Na}_2\text{O(s)}};\ \ 2\text{Na} (\text{s}) +2\text{O}_2(\text{g})\rightarrow\ \stackrel{{-1}}{ \text{Na}_2\text{O}_2(\text{s})}\\ (\text{Excess})\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ (\text{Excess})$
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| Prefix | Multiples | |
| (i) | micro | 106 |
| (ii) | deca | 109 |
| (iii) | mega | 10-6 |
| (iv) | giga | 10-15 |
| (v) | femto | 10 |
| S. No | Column I | Column II |
| 1. | [Mn(CO)5]- | +6 |
| 2. | [Mn2(CO)10] | +2 |
| 3. | K4[Mn(CN)6] | 0 |
| 4. | K2MnO4 | -1 |
$2\text{A}\rightleftharpoons\text{B}+\text{C}$ is 2 × 10-3. At a given time, the composition of reaction mixture is [A] = [B] = [C] = 3 × 10-4M. In which direction the reaction will proceed?