Q.

Electrolyte                KCl     KNO3     HCl      NaOAc  NaCl λmScm 2mol1)   149.9   145.0   426.2    91.0      126.5
Which of the following is/are not correct?

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a

ΛAcOH=309.7

b

ΛHNO3=450.0

c

ΛHOAc=517.2

d

ΛHNO3=421.3

answer is A, B, C.

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Detailed Solution

Apply kohlrausch formula

ΛHOAc=λCH3COONa+λHCl-λNaCl=390.7

ΛHNO3=λKNO3+λHCl-λKCl=421.3

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