A) \[\left( 1+\frac{1}{2}n-\frac{3}{4}m \right)\]
B) \[\left( 1+\frac{3}{4}n-\frac{1}{4}m \right)\]
C) \[\left( 1-\frac{1}{2}n-\frac{3}{4}m \right)\]
D) \[\left( 1+\frac{3}{4}n-\frac{1}{2}m \right)\]
Correct Answer: D
Solution :
| [d] \[{{C}_{n}}{{H}_{3n}}{{O}_{m}}+y{{O}_{2}}\xrightarrow[{}]{{}}nC{{o}_{2}}(g)+\frac{3n}{2}{{H}_{2}}O(l)\] |
| Contraction in volume= Contraction in moles of gas \[=1\frac{3n}{4}-\frac{m}{2}\] |
| \[=1+\frac{3n}{4}-\frac{m}{2}\] |
| \[\Rightarrow \] \[\left( 2n+\frac{3n}{2}-m \right)\times \frac{1}{2}=y\] |
| \[\Rightarrow \] \[n+\frac{3n}{4}-\frac{m}{2}=y\] |
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