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Chemistry-

General

Easy

Question

Which statement is not correct for Kohlrausch law?

The law is valid at infinite dilution
The law is valid for weak electrolytes only
The basis of law is independent migration of ions
None of the above

The correct answer is: The law is valid for weak electrolytes only

The law is valid for weak and strong electrolytes both.

Related Questions to study

The equivalent conductivity of 0.1 M weak acid is 100 times less than that at infinite dilution. The degree of dissociation of weak electrolyte at 0.1 M is –

The equivalent conductivity of 0.1 M weak acid is 100 times less than that at infinite dilution. The degree of dissociation of weak electrolyte at 0.1 M is –

Chemistry-General

3 faraday of electricity are passed through molten Al₂O₃, aqueous solution of CuSO₄ and molten NaCl taken in three different electrolytic cells. The amount of Al, Cu and Na deposited at the cathodes will be in the ratio of –

3 faraday of electricity are passed through molten Al₂O₃, aqueous solution of CuSO₄ and molten NaCl taken in three different electrolytic cells. The amount of Al, Cu and Na deposited at the cathodes will be in the ratio of –

Chemistry-General

Beryllium is placed above magnesium in the II group. Beryllium dust, therefore, when added to MgCl₂ solution will –

Beryllium is placed above magnesium in the II group. Beryllium dust, therefore, when added to MgCl₂ solution will –

Chemistry-General

parallel

Metals can be prevented from rusting by –

Metals can be prevented from rusting by –

Chemistry-General

The thermodynamic efficiency of cell is given by –

The thermodynamic efficiency of cell is given by –

Chemistry-General

The following facts are available $table row cell 2 X to the power of minus end exponent plus Y subscript 2 end subscript rightwards arrow 2 Y to the power of minus end exponent plus X subscript 2 end subscript end cell row cell 2 W to the power of minus end exponent plus Y subscript 2 end subscript rightwards arrow text end text text N end text text o end text text end text text r end text text e end text text a end text text c end text text t end text text i end text text o end text text n end text text end text end cell row cell 2 Z to the power of minus end exponent plus X subscript 2 end subscript rightwards arrow 2 X to the power of minus end exponent plus Z subscript 2 end subscript end cell end table$ Which of the following is correct?

The following facts are available $table row cell 2 X to the power of minus end exponent plus Y subscript 2 end subscript rightwards arrow 2 Y to the power of minus end exponent plus X subscript 2 end subscript end cell row cell 2 W to the power of minus end exponent plus Y subscript 2 end subscript rightwards arrow text end text text N end text text o end text text end text text r end text text e end text text a end text text c end text text t end text text i end text text o end text text n end text text end text end cell row cell 2 Z to the power of minus end exponent plus X subscript 2 end subscript rightwards arrow 2 X to the power of minus end exponent plus Z subscript 2 end subscript end cell end table$ Which of the following is correct?

Chemistry-General

parallel

A standard hydrogen electrode has zero electrode potential because:

A standard hydrogen electrode has zero electrode potential because:

Chemistry-General

Given that $E subscript F e to the power of 3 plus end exponent divided by F e to the power of 2 plus end exponent end subscript equals negative 0.36 V$ and $E subscript F e to the power of 2 plus end exponent divided by F e end subscript equals negative 0.439 V$ respectively. Therefore value of $E to the power of ring operator end exponent F e to the power of 3 plus end exponent comma F e to the power of 2 plus end exponent divided by P t$ is :

Given that $E subscript F e to the power of 3 plus end exponent divided by F e to the power of 2 plus end exponent end subscript equals negative 0.36 V$ and $E subscript F e to the power of 2 plus end exponent divided by F e end subscript equals negative 0.439 V$ respectively. Therefore value of $E to the power of ring operator end exponent F e to the power of 3 plus end exponent comma F e to the power of 2 plus end exponent divided by P t$ is :

Chemistry-General

Given that $E subscript H subscript 2 end subscript O open vertical bar H subscript 2 end subscript close vertical bar P t end subscript equals 0$ at 298 K. The pressure of H₂(g) would be –

Given that $E subscript H subscript 2 end subscript O open vertical bar H subscript 2 end subscript close vertical bar P t end subscript equals 0$ at 298 K. The pressure of H₂(g) would be –

Chemistry-General

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Two half cells have reduction potentials –0.76 V and – 0.13 V respectively. A galvanic cell is made from these two half cells. Which of the following statements is correct?

Two half cells have reduction potentials –0.76 V and – 0.13 V respectively. A galvanic cell is made from these two half cells. Which of the following statements is correct?

Chemistry-General

Given that Eº values of Ag⁺/Ag, K⁺/ K, Mg²⁺/ Mg and Cr³⁺/ Cr are 0.80V, –2.93V, –2.37V and –0.74V respectively. Therefore, the order for the reducing power of the metal is -

Given that Eº values of Ag⁺/Ag, K⁺/ K, Mg²⁺/ Mg and Cr³⁺/ Cr are 0.80V, –2.93V, –2.37V and –0.74V respectively. Therefore, the order for the reducing power of the metal is -

Chemistry-General

The standard potentials at 298 K for the following half reactions are as given
$table row cell Z n to the power of 2 plus end exponent left parenthesis a q right parenthesis plus 2 e to the power of minus end exponent rightwards harpoon over leftwards harpoon Z n left parenthesis s right parenthesis semicolon minus 0.762 V end cell row cell C r to the power of 3 plus end exponent left parenthesis a q right parenthesis plus 3 e to the power of minus end exponent rightwards harpoon over leftwards harpoon C r left parenthesis s right parenthesis semicolon minus 0.74 V end cell row cell 2 H to the power of plus end exponent left parenthesis a q right parenthesis plus 2 e to the power of minus end exponent rightwards harpoon over leftwards harpoon H subscript 2 end subscript left parenthesis g right parenthesis semicolon plus 0.00 V end cell row cell F e to the power of 3 plus end exponent left parenthesis a q right parenthesis plus e to the power of minus end exponent rightwards harpoon over leftwards harpoon F e to the power of 2 plus end exponent left parenthesis a q right parenthesis semicolon plus 0.77 V end cell end table$
Which of the following is the strongest reducing agent?

The standard potentials at 298 K for the following half reactions are as given
$table row cell Z n to the power of 2 plus end exponent left parenthesis a q right parenthesis plus 2 e to the power of minus end exponent rightwards harpoon over leftwards harpoon Z n left parenthesis s right parenthesis semicolon minus 0.762 V end cell row cell C r to the power of 3 plus end exponent left parenthesis a q right parenthesis plus 3 e to the power of minus end exponent rightwards harpoon over leftwards harpoon C r left parenthesis s right parenthesis semicolon minus 0.74 V end cell row cell 2 H to the power of plus end exponent left parenthesis a q right parenthesis plus 2 e to the power of minus end exponent rightwards harpoon over leftwards harpoon H subscript 2 end subscript left parenthesis g right parenthesis semicolon plus 0.00 V end cell row cell F e to the power of 3 plus end exponent left parenthesis a q right parenthesis plus e to the power of minus end exponent rightwards harpoon over leftwards harpoon F e to the power of 2 plus end exponent left parenthesis a q right parenthesis semicolon plus 0.77 V end cell end table$
Which of the following is the strongest reducing agent?

Chemistry-General

parallel

In which of the following is the cell the overall cell reaction is: $Z n plus H subscript 2 end subscript S O subscript 4 end subscript rightwards arrow Z n S O subscript 4 end subscript plus H subscript 2 end subscript$

In which of the following is the cell the overall cell reaction is: $Z n plus H subscript 2 end subscript S O subscript 4 end subscript rightwards arrow Z n S O subscript 4 end subscript plus H subscript 2 end subscript$

Chemistry-General

In which of the following electrochemical cell overall cell reaction is : $H g O left parenthesis s right parenthesis plus H subscript 2 end subscript left parenthesis g right parenthesis rightwards arrow H g left parenthesis l right parenthesis plus H subscript 2 end subscript O left parenthesis l right parenthesis$

In which of the following electrochemical cell overall cell reaction is : $H g O left parenthesis s right parenthesis plus H subscript 2 end subscript left parenthesis g right parenthesis rightwards arrow H g left parenthesis l right parenthesis plus H subscript 2 end subscript O left parenthesis l right parenthesis$

Chemistry-General

In which of the following cells net cell reaction is: $A g vertical line A g C l left parenthesis s right parenthesis vertical line K C l left parenthesis a q right parenthesis vertical line vertical line A g N O subscript 3 end subscript left parenthesis a q right parenthesis ∣ A g$

In which of the following cells net cell reaction is: $A g vertical line A g C l left parenthesis s right parenthesis vertical line K C l left parenthesis a q right parenthesis vertical line vertical line A g N O subscript 3 end subscript left parenthesis a q right parenthesis ∣ A g$

Chemistry-General

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