The unit of equivalent conductivity is
The unit of equivalent conductivity is
Options
(a) ohm cm (b) ohm⁻¹ cm² g.equiv.⁻¹ (c) ohm cm² g.equiv (d) ohm⁻² cm⁻² g.equiv.
Correct Answer:
ohm⁻¹ cm² g.equiv.⁻¹
Explanation:
When it is placed between two […]
Electrochemistry and Chemical Kinetics
A certain current liberated 0.504 g of hydrogen in 2 hours. How many grams
A certain current liberated 0.504 g of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time in copper sulphate solution
Options
Which is the amount of chlorine evolved when 2 amperes of current is passed for
Which is the amount of chlorine evolved when 2 amperes of current is passed for 30 minutes in an aqueous solution of NaCl
Options
(a) 33 g (b) 1.32 g (c) 66 g […]
How many g of silver will be displaced from a solution of AgNO₃ by 4 g of mag
How many g of silver will be displaced from a solution of AgNO₃ by 4 g of magnesium
Options
(a) 18 g (b) 4 g (c) 36 g (d) 16 g
Correct Answer: […]
Which of the following oxides is used in lead storage battery
Which of the following oxides is used in lead storage battery
Options
(a) PbO (b) PbO₂ (c) Pb₂O₃ (d) Pb₃O₄
Correct Answer:
PbO₂
Explanation:
Lead storage battery consists of a group of lead […]
In which cell the free energy of a chemical reaction is directly converted into
In which cell the free energy of a chemical reaction is directly converted into electricity
Options
(a) Concentration cell (b) Fule cell (c) Lead storage battery (d) Lechlanche cell
Correct Answer:
Fule cell
A zinc rod is place in 0.095 M solution of zinc sulphate at 298 K, the potential
A zinc rod is place in 0.095 M solution of zinc sulphate at 298 K, the potential of the electrode at this temperature is [E⁰ zn = -0.76 volts]
Options
(a) – 0.76 […]
Which of the following is used in electroplating
Which of the following is used in electroplating
Options
(a) AgCl (b) AgNO₃ (c) sodium argentocyanide (d) none of these
Correct Answer:
sodium argentocyanide
Explanation:
It is used for plating articles […]
How much copper is supposed to be deposited when a current of 0.75 amperes
How much copper is supposed to be deposited when a current of 0.75 amperes passes through a copper sulphate solution for 25 minutes
Options
(a) 0.34 g (b) 0.33 g (c) 0.35 g […]
Molten NaCl results in conduction because of
Molten NaCl results in conduction because of
Options
(a) free electrons (b) ions (c) molecules (d) anions
Correct Answer:
ions
Explanation:
No explanation available. Be the first to write the explanation for this […]