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Chapter 16: Problem 5

The fraction of total current carried by the cation or anion is termed as (a) fractional number (b) speed number (c) carrier number (d) transport number

Short Answer

Expert verified
The correct term that refers to the fraction of total current carried by the cation or anion is (d) transport number.

Step by step solution

01

Understand the Terminologies

Firstly, it is essential to have clear knowledge about the basic terms related to electrochemistry such as cations, anions and the type of numbers mentioned in the options (a) fractional number, (b) speed number, (c) carrier number, (d) transport number. Cations and anions are positively and negatively charged ions respectively. As for the types of numbers mentioned, only one type actually refers to the property described in the question.
02

Identify the Correct Term

Next, it is necessary to correlate the term that is used to specify the fraction of total current carried by the cation or anion. None of the terms 'fractional number', 'speed number', or 'carrier number' are used in the context of electrochemistry to refer to this property. Therefore, by process of elimination and also by factual knowledge, we can determine that the correct term is 'transport number'.
03

Confirm and Be Sure of the Answer

Lastly, for added confirmation, it's good practice to double-check the answer. In the field of electrochemistry, 'transport number' (also known as transference number) is the term which is used to indicate the fraction of total current carried by either the cation or anion.

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Most popular questions from this chapter

On passing electrical current through an electrolyte solution, the cations (a) move towards cathode with speed equal to that of anions towards anode (b) move with faster speed than that of anions (c) move with different speed as compared to that of anions (d) move with slower speed than that of anions

The Hittorf's rule states that (a) the loss of concentration around any electrode is proportional to the speed of the ions moving towards it (b) the loss of concentration around any electrode is proportional to the speed of the ions moving away from it (c) the loss of concentrations around both the electrodes is proportional to the sum of speed of cations and anions (d) none of the above

Kohlrasch's law can be expressed as (a) \(\lambda_{\infty}=\lambda_{a}-\lambda_{c}\) (b) \(\lambda_{\infty}=\lambda_{c}-\lambda_{a}\) (c) \(\lambda_{\infty}=\lambda_{a}+\lambda_{c}\) (d) \(\lambda_{\infty}=\lambda_{c}+\lambda_{a}\)

The failure of Ostwald's dilution law in case of strong electrolytes is due to (a) strong electrolytes are almost completely dissociated at all dilutions and \(\lambda_{v} / \lambda_{\infty}\) do not give accurate value of \(a\) (b) the law of mass action in its simple form cannot be applied when the concentration of the ions is very high (c) the ions get hydrolysed and affect the concentration terms (d) all of the above

Which of the following statement is true? (a) Ostwald's dilution law holds good only for strong electrolytes and fails completely when applied to weak electrolytes. (b) Ostwald's dilution law holds good for both weak and strong electrolytes. (c) Ostwald's dilution law holds good only for weak electrolytes and fails completely when applied to strong electrolytes. (d) Ostwald's dilution law does not good hold good for both weak and strong electrolytes.
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