Chemistry MCQs Online Quiz Test 52

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Organic Chemistry MCQs With Answers Online

Q.1: In electrolytic solution conductance of electricity is due to ———–?

  1. free electrons
  2. ions
  3. metals
  4. electrodes

B

Q.2: Reaction at anode is called——–?

  1. oxidation
  2. reduction
  3. redox
  4. decomposition

A

Q.3: Decrease in oxidation number is called———?

  1. oxidation
  2. reduction
  3. oxidation-reduction
  4. all of above represent same entity

B

Q.4: Right half cell contains ——- electrode?

  1. A1
  2. Zn
  3. Cu
  4. Fe

C

Q.5: Salt bridge transfers——–?

  1. electrons
  2. anion
  3. current
  4. ions

D

Q.6: E0red of an element cab be calculated by comparing it with ———–?

  1. New electrode of same element
  2. SHE
  3. 1M solution of ions of respective element
  4. 2M solution of HCI

B

Q.7: Potential of SHE is considered as———?

  1. zero
  2. unity
  3. constant
  4. multiple of 1

A

Q.8: Electrode potential of Zn is———?

  1. oxidation
  2. reduction
  3. oxidation-reduction
  4. depends on the nature of the coupled electrode

D

Q.9: The element that act as anode always have ——- position in electrochemical cell?

  1. higher
  2. lower
  3. in middle
  4. no effect of position

A

Q.10: Greater value of standard reduction potential greater will be tendency———?

  1. to get oxidized
  2. to get reduced
  3. to accept electrons
  4. both B and C

D