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The thermal decomposition of N_(2)O_(5) occues as: 2N_(2)O_(5) rarr 4NO_(2)+O_(2) Experimental studies suggest that rate of decomposition of N_(2)O_(5) rate of formation of NO_(2) or rate of formation of O_(2) all becomes double if concentration of N_(2)O_(5) is doubled. The container of 2 litre contains 4 moles of N_(2)O_(5) On heating to 100^(@) C N_(2)O_(5) undergo complete dissociation to NO_(2) and O_(2) Select the correct options if rate constant for decomposition of N_(2)O_(5) is 6.2xx10^(-4) sec^(-1) (P) Total mole ratio before and after dissociation is 4:2 (Q) Half-life of N_(2)O_(5) is 1117 sec and it is independent of temperature (R) Time required to complete 40% of reaction is 824 sec (S) If volume of container is doubled the ratio of decomposition becomes half of the initial rate: |
| Answer» Answer :C | |