On electrolysis of dilute sulphuric acid using Platinum (Pt) electrode, the product obtained at the anode will be:
1. Oxygen gas
2. gas
3. gas
4. Hydrogen gas
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of Faradays (F) required to produce 20 g of calcium from molten CaCl2 (Atomic mass of Ca=40 g mol-1) is:
1. 2
2. 3
3. 4
4. 1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn a typical fuel cell, the reactants (R) and products (P) are :-
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLimiting molar conductivities, for the given solutions, are :
From the data given above, it can be concluded that \(\lambda_m^0 \) in (\(S\ cm^2\ mol^{-1}\)) for CH3COOH will be :
1.
2.
3. x - y + z
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe Gibb's energy for the decomposition of at is as follows:
2/3Al2O3 → 4/3Al + O2 ; ∆rG = + 960 k J mol-1
The potential difference needed for the electrolytic reduction of aluminium oxide (Al2O3) at is at least,
1. 3.0 V
2. 2.5 V
3. 5.0 V
4. 4.5 V
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMolar conductivities at infinite dilution of NaCl, HCl and are 126.4, 425.9 and 91.0 S cm2 mol-1 respectively. for will be:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct expression that represents the equivalent conductance at infinite dilution of is:
(Given that are the equivalent conductances at infinite dilution of the respective ions)
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following relations for emf of an electrochemical cell:
(a) | emf of cell = (Oxidation potential of anode) – (Reduction potential of cathode) |
(b) | emf of cell = (Oxidation potential of anode) + (Reduction potential of cathode) |
(c) | emf of cell = (Reduction potential of anode) + (Reduction potential of cathode) |
(d) | emf of cell = (Oxidation potential of anode) – (Oxidation potential of cathode) |
The correct relation among the given options is :
1. (a) and (b)
2. (c) and (d)
3. (b) and (d)
4. (c) and (a)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biologycoloumb charge liberated 1 gm silver (Ag). If now charge is doubled then the amount of liberated Ag will be :
1. 1 gm
2. 2 gm
3. 3 gm
4. 4 gm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe concentration of solution will change when it is placed in a container which is made of :
1. Al
2. Cu
3. Ag
4. None
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology