Q 1134023852.     At `298` K the molar conductivities at infinite dilution (`Lambda_m ^0`) of `NH_4Cl , KOH` and `KCl` are `152.8`, `272.6` and `149.8 Scm^2` `mol^(-1)` respectively. The `Lambda_m^0` of `NH_4OH` in `S cm^2mol^(-1)` and `%` dissociation of `0.01`M `NH_4OH` with `Lambda_m` = `25.1 S cm^2 mol^(-1)` at the same temperature are

EAMCET 2014
A

`275.6, 9.1`

B

`269.6, 9.6`

C

`30, 84`

D

`275.6, 0.91`

HINT

Use formula: `%` dissociation `alpha = (Lambda_m)/(Lambda_m^0)`

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