Q.

The conductivity of water at 298 K is 5.54×108Scm1. If λH+=349.8Scm2mol1 and λOH=197.8Scm2 mol1, the degree of dissociation of water is

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a

1.82×106

b

1.82×107

c

1.82×108

d

1.82×109

answer is D.

(Detailed Solution Below)

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Detailed Solution

α=κcΛmH2O=5.54×108 S cm155.56moldm3(349.8+197.8)S cm2 mol1=5.54×108Scm155.56×103molcm3547.6S cm2 mol1=1.82×109

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