Question

Which of the following solution of KCl has the highest value of molar conductance??
a. 1M
b.0.1M
c.0.01M
d.0.001M
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Answer 1

Answer:

option 4 hoga....... am i right?

Answer 2

Answer:

The correct option is (d) - 0.001M

Explanation:

Given that,

There are four solutions of KCl of different molarity. Molairities of KCl solutions are 1M, 0.1M, 0.01M, and 0.001M.

We know the relation between molarity and molar conductance as,

Λm = κ × $\frac{1000}{M}$

where κ = specific conductance of the solution,

Λm = molar conductance

M=molarity of the solution

So, assuming that specific conductance is the same for given solutions of different molarities, κ is constant.

At constant specific conductance κ, molar conductance (Λm) is inversely proportional to the molarity (M) of the solution.

Λm ∝ 1 / M

Hence, the solution with the lowest molarity has the highest value of molar conductance.

Among the given solutions of different molarities, the 0.001M solution has the least molarity. So 0.001M solution has the highest value of molar conductance.

Therefore, option (d) is correct.

To know more about molarity, visit the below links:

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