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At 298 K the molar conductivities at inf...

At 298 K the molar conductivities at infinite dilution `(^^_(m)^(@))` of `NH_(4)Cl, KOH and KCl` are 152.8, 272.6 and `"149.8 S cm"^(2)"mol"^(-1)` respectively. The `^^_(m)^(@)` of `NH_(4)OH` in `"S cm"^(2)"mol"^(-1) and %` dissociation of 0.01 M `NH_(4)OH` with `^^_(m)="25.1 S cm"^(2)"mol"^(-1)` at the same temperature are

A

`275.6, 0.91`

B

`275.6, 9.1`

C

`266.6, 9.6`

D

`30, 84`

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The correct Answer is:
B
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