Which of the following metal has the biggest tendency for the half reaction
Options
(a) Potassium (b) Sodium (c) Cesium (d) Lithium
Correct Answer:
Lithium
Explanation:
No explanation available. Be the […]
The unit of ionic mobility is
Options
(a) m² sec⁻¹ volt⁻¹ (b) m sec⁻¹ (c) m sec⁻¹ volt (d) m sec⁻¹ volt⁻¹
Correct Answer:
m² sec⁻¹ volt⁻¹
Explanation:
No explanation available. Be the […]
The standard emf for the cell reaction, 2Cu⁺(aq) → Cu(s) + Cu²⁺(aq) is +0.36 V at 298 K. The equilibrium constant of the reaction is
Options
(a) 5 ˣ 10⁶ (b) 1.4 ˣ […]
Coulomb is equal to ….
Options
(a) ampere ˣ second (b) ampere ˣ minute (c) watt ˣ second (d) volt ˣ second
Correct Answer:
ampere ˣ second
Explanation:
No explanation available. Be the […]
Which one of the following has the highest molar conductivity
Options
(a) Diamminedichloroplatinum (II) (b) Tetraamminedichlorocobalt (III) chloride (c) Potassium hexacyanoferrate (II) (d) Hexaaquochromium (III) chloride
Correct Answer:
Potassium hexacyanoferrate (II)
Explanation:
No […]
A solution of nickel sulphate in which nickel rod is dipped is diluted 10 times. the reduction potential of Ni at 298 K
Options
(a) decreases by 60 mV (b) decreases by 30 […]
The amount of copper deposited by one Faraday current will be maximum in an acidic solution of one litre of
Options
(a) 1 M Cu₂Cl₂ (b) 2 M Cu(NO₃)₂ (c) 5 M CuSO₄ […]
How many coulombs of electricity are required for the reduction of 1 mol of MnO₄⁻ to Mn²⁺
Options
(a) 96500 C (b) 1.93 ˣ 10⁵ C (c) 4.83 ˣ 10⁵ C (d) 9.65 […]
Specific conductance of 0.1 M nitric acid is 6.3 ˣ 10⁻² ohm⁻¹ cm⁻¹.The molar conductance of solution is
Options
(a) 630 ohm⁻¹ cm² mol⁻¹ (b) 315 ohm⁻¹ cm² mol⁻¹ (c) 100 ohm⁻¹ cm² […]
Aqueous solution of which of the following compounds is the best conductor of electric current
Options
(a) Acetic acid,C₂H₄O₂ (b) Hydrochloric acid,HCl (c) Ammonia,NH₃ (d) Fructose,C₆H₁₂O₆
Correct Answer:
Hydrochloric acid,HCl
Explanation:
No explanation […]
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