Which metal will displace copper from copper sulphate solution
Options
(a) Hg (b) Ag (c) Fe (d) Au
Correct Answer:
Fe
Explanation:
No explanation available. Be the first to write the explanation for […]
An aqueous solution of sodium sulphate is electrolysed using inert electrodes.The products at the cathode and anode are respectively
Options
(a) H₂ , O₂ (b) O₂ , H₂ (c) O₂ , Na (d) […]
Which of the following statement is true for an electrochemical cell
Options
(a) Reduction occurs at H₂ electrode (b) H₂ is anode and Cu is cathode (c) H₂ is cathode and Cu is […]
What is the amount of Chlorine evolved,when 2A of current is passed for 30 minutes in an aqueous solution of NaCl
Options
(a) 9.81g (b) 1.32g (c) 4.56g (d) 12.6g
Correct Answer:
1.32g
When an acid cell is charged, then
Options
(a) voltage of cell increases (b) electrolyte of cell dilutes (c) resistance of cell increases (d) none of these
Correct Answer:
voltage of cell increases
Which colourless gas evolves, when NH₄ Cl reacts with zinc in a dry cell battery
Options
(a) NH₃ (b) N₂ (c) H₂ (d) Cl₂
Correct Answer:
H₂
Explanation:
No explanation available. Be the […]
Specific conductance of 0.1 M sodium chloride solution is 1.06 ˣ 10⁻² ohm⁻¹ cm⁻¹. Its molar conductance in ohm⁻¹ cm² mol⁻¹ is
Options
(a) 1.06 ˣ 10² (b) 1.06 ˣ 10³ (c) 1.06 […]
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