| Vol. of \[{{N}_{2}}\]in cc | Time (min) |
| 6.25 | 10 |
| 9.00 | 15 |
| 11.40 | 20 |
| 13.65 | 25 |
| 35.65 | Infinity |
A) Zero
B) One
C) Two
D) Three
Correct Answer: B
Solution :
[b] \[N{{H}_{4}}N{{O}_{2}}\xrightarrow{{}}{{N}_{2}}+2{{H}_{2}}O\] Volume of \[{{N}_{2}}\] formed in successive five minutes are 2.75 cc, 2.40 cc and 2.25 cc which is in decreasing order. So rate of reaction is dependent on concentration of \[N{{H}_{4}}N{{O}_{2}}.\] As decrease is not very fast so it will be first order reaction.
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