Question

Which of the following reactions is correct for a given electrochemical cell at

{25^ \circ }C

?

\mathrm{Pt}\left| {\mathrm{B}{\mathrm{r}_2}\left( \mathrm{g} \right)} \right|\mathrm{B}{\mathrm{r}^ - }\left( \mathrm{g} \right)||\mathrm{C}{\mathrm{l}^ - }\left( {aq} \right)\left| {\mathrm{C}{\mathrm{l}_2}\left( \mathrm{g} \right)} \right|\mathrm{Pt}

Accepted Answer

$2{m{B}}{{m{r}}^ - }\left( {{m{aq}}} ight) + {m{C}}{{m{l}}_2}\left( {m{g}} ight) 	o 2{m{C}}{{m{l}}^ - }\left( {{m{aq}}} ight) + {m{B}}{{m{r}}_2}\left( {m{g}} ight)$

Answer

${m{B}}{{m{r}}_2}\left( {m{g}} ight) + 2{m{C}}{{m{l}}^ - }\left( {{m{aq}}} ight) 	o 2{m{B}}{{m{r}}^ - }\left( {{m{aq}}} ight) + {m{C}}{{m{l}}_2}\left( {m{g}} ight)$

Answer

${m{B}}{{m{r}}_2}\left( {m{g}} ight) + {m{C}}{{m{l}}_2}\left( {m{g}} ight) 	o 2{m{B}}{{m{r}}^ - }\left( {{m{aq}}} ight) + 2{m{C}}{{m{l}}^ - }\left( {{m{aq}}} ight)$

Answer

$2{m{B}}{{m{r}}^ - }\left( {{m{aq}}} ight) + 2{m{C}}{{m{l}}^ - }\left( {{m{aq}}} ight) 	o {m{B}}{{m{r}}_2}\left( {m{g}} ight) + {m{C}}{{m{l}}_2}\left( {m{g}} ight)$

NEET UG CHEMISTRY MCQ: ELECTRO CHEMISTRY

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