151. |
Where is electrolysis not used ?
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Answer:
Option (d) |
152. |
During cell reaction of electrochemical cell _____ .
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Answer:
Option (a) |
153. |
What will be the equivalent weight of K2Cr2O7 in acidic medium ? (M = Molecular mass)
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Answer:
Option (c) |
154. |
Which instrument is used to know the direction of flow of current in electrochemical cell ?
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Answer:
Option (a) |
155. |
At 298 K temperature and 1 atmosphere pressure the gas x is passed through 2 M y and 2 M z solution. If reduction potential is z > y > x then, _____ .
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Answer:
Option (a) |
156. |
1 mole electrons are passed through CuSO4, AgNO3 and AlCl3 What will be the mole ratio of Cu,Ag and Al collected at the electrodes ?
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Answer:
Option (d) |
157. |
If 1120 ml hydrogen gas is obtained at STP by passing electric current for 965 seconds, what ampere electric current must have been passed ?
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Answer:
Option (b) |
158. |
Using inert electrodes, 0.5 A current is passed for 12 hours through 1 litre 0.5 M AgNO3 solution. What is the weight of sliver liberated ?
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Answer:
Option (a) |