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Question: At 473, K, \(\mathrm { K } _ { \mathrm { c } }\) for the reaction \(\mathrm { PCl } _ { 5 ( \mat...

At 473, K, Kc\mathrm { K } _ { \mathrm { c } } for the reaction

PCl5( g)\mathrm { PCl } _ { 5 ( \mathrm {~g} ) } PCl3( g)+Cl2( g)\mathrm { PCl } _ { 3 ( \mathrm {~g} ) } + \mathrm { Cl } _ { 2 ( \mathrm {~g} ) } is 8.3×10−38.3 \times 10 ^ { - 3 } . What will be the value of for the formation of PCl5\mathrm { PCl } _ { 5 } at the same temperature?

A

8.3×1038.3 \times 10 ^ { 3 }

B

120.48120.48

C

8.3×10−38.3 \times 10 ^ { - 3 }

D

240.8240.8

Answer

120.48120.48

Explanation

Solution

:

For PCl5( g);Kc=18.3×10−3\mathrm { PCl } _ { 5 ( \mathrm {~g} ) } ; \mathrm { K } _ { \mathrm { c } } = \frac { 1 } { 8.3 \times 10 ^ { - 3 } }