MCQ
The end product in the reaction :-


- A

- ✓

- C

- D








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$Ca\left( s \right)|C{a^{ + 2}}_{\left( {aq.} \right)}||F{e^{ + 2}}_{\left( {aq} \right)}|Fe\left( s \right)$
$E_{C{a^{ + 2}}/Ca}^o = - 2.87\,V$ ; $E_{Fe/F{e^{ + 2}}}^o = 0.41\,V$
$2C_6H_6 (l) + 15O_2 (g) \longrightarrow 12CO_2 (g) + 6H_2O(l)$
at $300\, K$ is ....$J\,mol^{-1}$ ($R = 8.314\, J\, mol^{-1}\, K^{-1}$)