A) \[{{\text{x}}_{1}}+{{x}_{2}}\]
B) \[{{x}_{1}}-{{x}_{2}}\]
C) \[{{x}_{2}}-{{x}_{1}}\]
D) \[{{x}_{1}}+2{{x}_{2}}\]
Correct Answer: C
Solution :
\[~{{C}_{2}}{{H}_{4}}\,\,+\,\,{{H}_{2}}\,\,\to \,\,{{C}_{2}}{{H}_{6}}\] \[\Delta H=\left( \sum :H_{f}^{0} \right)-{{\left( \sum H_{f}^{0} \right)}_{R}}\] \[=\left( {{x}_{2}} \right)-\left( {{x}_{1}} \right)\]You need to login to perform this action.
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