03. ELECTROCHEMISTRY
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
ELECTROCHEMISTRY

19921 A current being passed for two hour through a solution of an acid liberating \(11.2\) litre of oxygen at \(NTP \) at anode. What will be the amount of copper deposited at the cathode by the same current when passed through a solution of copper sulphate for the same time ........... \(\mathrm{g}\)

1 \(16 \)
2 \(63\)
3 \(31.5\)
4 \(8 \)
ELECTROCHEMISTRY

19922 In a metal oxide, there is \(20\%\)  oxygen by weight. Its equivalent weight is

1 \(40\)
2 \(32\)
3 \(72\)
4 \(64\)
ELECTROCHEMISTRY

19923 On the basis of the information available from the reaction \(\frac{4}{3}Al + {O_2} \to \frac{2}{3}A{l_2}{O_3},\Delta G = - 827\,\,kJ\,mo{l^{ - 1}}\) of \({O_2}\), the minimum emf required to carry out an electrolysis of \(A{l_2}{O_3}\) is \((F = 96500\,C \,mo{l^{ - 1}})\) ................ \(\mathrm{V}\)

1 \(8.56\)
2 \(2.14\)
3 \(4.28\)
4 \(6.42\)
ELECTROCHEMISTRY

19924 Then during electrolysis of a solution of \(AgNO_3\), \( 9650\)  coulombs of charge pass through the electroplating bath, the mass of silver deposited in the cathode will be .............. \(\mathrm{g}\)

1 \(1.08\)
2 \(10.8\)
3 \(21.6\)
4 \(108\)
ELECTROCHEMISTRY

19921 A current being passed for two hour through a solution of an acid liberating \(11.2\) litre of oxygen at \(NTP \) at anode. What will be the amount of copper deposited at the cathode by the same current when passed through a solution of copper sulphate for the same time ........... \(\mathrm{g}\)

1 \(16 \)
2 \(63\)
3 \(31.5\)
4 \(8 \)
ELECTROCHEMISTRY

19922 In a metal oxide, there is \(20\%\)  oxygen by weight. Its equivalent weight is

1 \(40\)
2 \(32\)
3 \(72\)
4 \(64\)
ELECTROCHEMISTRY

19923 On the basis of the information available from the reaction \(\frac{4}{3}Al + {O_2} \to \frac{2}{3}A{l_2}{O_3},\Delta G = - 827\,\,kJ\,mo{l^{ - 1}}\) of \({O_2}\), the minimum emf required to carry out an electrolysis of \(A{l_2}{O_3}\) is \((F = 96500\,C \,mo{l^{ - 1}})\) ................ \(\mathrm{V}\)

1 \(8.56\)
2 \(2.14\)
3 \(4.28\)
4 \(6.42\)
ELECTROCHEMISTRY

19924 Then during electrolysis of a solution of \(AgNO_3\), \( 9650\)  coulombs of charge pass through the electroplating bath, the mass of silver deposited in the cathode will be .............. \(\mathrm{g}\)

1 \(1.08\)
2 \(10.8\)
3 \(21.6\)
4 \(108\)
ELECTROCHEMISTRY

19921 A current being passed for two hour through a solution of an acid liberating \(11.2\) litre of oxygen at \(NTP \) at anode. What will be the amount of copper deposited at the cathode by the same current when passed through a solution of copper sulphate for the same time ........... \(\mathrm{g}\)

1 \(16 \)
2 \(63\)
3 \(31.5\)
4 \(8 \)
ELECTROCHEMISTRY

19922 In a metal oxide, there is \(20\%\)  oxygen by weight. Its equivalent weight is

1 \(40\)
2 \(32\)
3 \(72\)
4 \(64\)
ELECTROCHEMISTRY

19923 On the basis of the information available from the reaction \(\frac{4}{3}Al + {O_2} \to \frac{2}{3}A{l_2}{O_3},\Delta G = - 827\,\,kJ\,mo{l^{ - 1}}\) of \({O_2}\), the minimum emf required to carry out an electrolysis of \(A{l_2}{O_3}\) is \((F = 96500\,C \,mo{l^{ - 1}})\) ................ \(\mathrm{V}\)

1 \(8.56\)
2 \(2.14\)
3 \(4.28\)
4 \(6.42\)
ELECTROCHEMISTRY

19924 Then during electrolysis of a solution of \(AgNO_3\), \( 9650\)  coulombs of charge pass through the electroplating bath, the mass of silver deposited in the cathode will be .............. \(\mathrm{g}\)

1 \(1.08\)
2 \(10.8\)
3 \(21.6\)
4 \(108\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
ELECTROCHEMISTRY

19921 A current being passed for two hour through a solution of an acid liberating \(11.2\) litre of oxygen at \(NTP \) at anode. What will be the amount of copper deposited at the cathode by the same current when passed through a solution of copper sulphate for the same time ........... \(\mathrm{g}\)

1 \(16 \)
2 \(63\)
3 \(31.5\)
4 \(8 \)
ELECTROCHEMISTRY

19922 In a metal oxide, there is \(20\%\)  oxygen by weight. Its equivalent weight is

1 \(40\)
2 \(32\)
3 \(72\)
4 \(64\)
ELECTROCHEMISTRY

19923 On the basis of the information available from the reaction \(\frac{4}{3}Al + {O_2} \to \frac{2}{3}A{l_2}{O_3},\Delta G = - 827\,\,kJ\,mo{l^{ - 1}}\) of \({O_2}\), the minimum emf required to carry out an electrolysis of \(A{l_2}{O_3}\) is \((F = 96500\,C \,mo{l^{ - 1}})\) ................ \(\mathrm{V}\)

1 \(8.56\)
2 \(2.14\)
3 \(4.28\)
4 \(6.42\)
ELECTROCHEMISTRY

19924 Then during electrolysis of a solution of \(AgNO_3\), \( 9650\)  coulombs of charge pass through the electroplating bath, the mass of silver deposited in the cathode will be .............. \(\mathrm{g}\)

1 \(1.08\)
2 \(10.8\)
3 \(21.6\)
4 \(108\)