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Q. No.A device that converts energy of combustion of fuels, like hydrogen and methane, directly into electrical energy is known as :
1. Fuel cell
2. Electrolytic cell
3. Dynamo
4. Ni-Cd cell
2. Electrolytic cell
3. Dynamo
4. Ni-Cd cell
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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| Zn(s) + Ag2O(s) + H2O(l) \(\rightleftharpoons\) 2Ag(s) + Zn2+(aq) + 2OH–(aq) |
If half-cell potentials are:
| Zn2+(aq) + 2e–→ Zn(s) | Eo = – 0.76 V |
| Ag2O(s) + H2O(l) + 2e– → 2Ag(s) + 2OH–(aq) | Eo = 0.34 V |
The cell potential will be:
1. 0.42 V
2. 0.84 V
3. 1.34 V
4. 1.10 V
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLimiting molar conductivity of NH4OH (i.e., is equal to -
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Y > X > Z
2. Z > X > Y
3. X > Y > Z
4. Y > Z > X
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf the for a given reaction has a negative value, then which of the following gives the correct relationship for the values of ?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Cu2+(aq) + e- → Cu+(aq) | 0.15 V |
| Cu+(aq) + e- → Cu(s) | 0.50 V |
The value of \(E_{Cu^{2+}/Cu}^{o}\) will be:
1. 0.325 V
2. 0650 V
3. 0.150 V
4. 0.500 V
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
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