MCQOPTIONS
Saved Bookmarks
| 1. |
Heats of combustion \[(\Delta {{H}^{o}})\] for \[C(s),\,{{H}_{2}}(g)\] and \[C{{H}_{4}}(g)\] are \[-94,\,-68\] and \[-213\,kcal/mol.\] respectively. The value of \[\Delta {{H}^{o}}\] for the reaction, \[C(s)+2{{H}_{2}}(g)\,\to \,C{{H}_{4}}(g)\] is [CBSE PMT 2002] |
| A. | ? 85 kcal |
| B. | ? 111 kcal |
| C. | ? 17 kcal |
| D. | ? 170 kcal |
| Answer» D. ? 170 kcal | |