In the electrochemical cell:
the emf of this Daniel cell is E1. When the concentration of ZnSO4 is changed to 1.0 M and that of CuSO4 is changed to 0.01 M, the emf changes to E2. From the following, which one is the relationship between E1 and E2 ?
(Given, \(\frac{RT}{F}\) = 0.059)
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf the Eocell for a given reaction has a negative value, which of the following gives correct relationships for the values of ∆Go and Keq?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of electrons delivered at the cathode during electrolysis by a current of 1 ampere in 60 seconds is :
(Charge on electron = 1.60x 10-19 C)
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the change in oxidation state of Bromine corresponding to different emf values as shown in the diagram below:
Then the species undergoing disproportionation is:-
1.
2.
3.
4. HBrO
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe pressure of H2 required to make the potential of H2 - electrode zero in pure water at 298 K is
1. 10-12 atm
2. 10-10 atm
3. 10-4 atm
4. 10-14 atm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA device that converts energy of combustion of fuels, like hydrogen and methane, directly into electrical energy is known as :
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen 0.1 mol MnO42- is oxidized the quantity of electricity required to completely oxidise MnO42-- to MnO4- is :
1. 96500 C
2. 2 x 96500 C
3. 9650 C
4. 96.50 C
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe weight of silver (at.wt. = 108) displaced by a quantity of electricity which displaces 5600 mL of O2 at STP will be :
1. 5.4 g
2. 10.8 g
3. 54.0 g
4. 108.0 g
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA hydrogen gas electrode is made by dipping platinum wire in a solution of HCl of pH = 10 and by passing hydrogen gas around the platinum wire at one atm pressure. The oxidation potential of electrode would be :
1. 0.59 V
2. 0.118 V
3. 1.18 V
4. 0.059 V
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology