Calculate the rate constant rate of Ist order reaction
`CH_3CHO(g)overset{Heat}{rightarrow} CH_4(g)+CO(g).`If the initial pressure of `CH_3CHO` is 80 mm and the total pressure at the end of 20 min is 120 mm
| A. |
`3.465×10^(–2)` |
 |
| B. |
34.65 mi`n^(–1)` |
| C. |
3.465 mi`n^(–1)` |
| D. |
0.3465 mi`n^(–1)` |