Question

Which of the following option will be the limiting molar conductivity of CH₃COOH if the limiting molar conductivity of CH₃COONa is 91 Scm²mol^-1 ? Limiting molar conductivity for individual ions are given in the following table.

S.no.	Ions	Limiting molar conductivity/Scm2mol-1
1	H+	349.6
2	Na+	50.1
3	K+	73.5
4	OH	199.1

a) 350 Scm²mol^-1 

b) 375.3 Scm²mol^-1 

c) 390.5 Scm²mol^-1 

d) 340.4 Scm²mol^-1

Answer 1

The answer is: (C)

Comments

explain please

---

Kindly give proper solution of this question

Answer 2

Answer: c) 390.5 Scm²mol^-1 

Limiting molar conductivity

\(\lambda^o_mCH_3COOH=\lambda^o_mCH_3COO^-+\lambda^o_mH^+\)

= \(\lambda^o_mCH_3COONa-\lambda^o_mNa^++\lambda^o_mH^+\)

= 91-50.1+349.6

=390.5 Scm²mol^-1