A) it decreases with increase in concetration
B) it is different for \[C{{l}^{-}}\] ion in \[0.1\text{ }M\text{ }HCl\]and \[0.1\text{ }M\text{ }NaCl\] solution.
C) it may increase or decrease with increase in temperature
D) it is never zero
Correct Answer: D
Solution :
Transport number can be zero. Example: at high concentrations of \[Cd{{I}_{2}}\] solution, \[C{{d}^{2+}}\] may have zero or even negative transport number due to formation of complex ion. \[CdI_{4}^{2-}\].
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