1st Year Chemistry MCQs Chapter No.10 ElectroChemistry MDCAT

Chemistry 1st Year MCQs Chapter No.10 Electrochemistry, FSc, First Year Multiple Choice Questions, Medical College ( MDCAT ) , ECAT & University Admission Entry Test Exams Online Preparation, Chapter Wise Question Answers Notes in Pdf, Old Board Papers reference with Each Question, All Queries accommodated within 24 Hours. Click here to Contact us for any Query/Question regarding Exams.

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Book Name :  Chemistry
Chapter No. 10
Chapter Name : ElectroChemistry
Total MCQ from Text Book :  56
Book Version  :
2022

Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Inter Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 11 ( F.Sc. Intermediate)
Total Marks : 56
Total Time :   56 minutes




GRADE 11 - CHEMISTRY - CHAPTER NO. 10 - ELECTROCHEMISTRY

GRADE 11 - CHEMISTRY - CHAPTER NO. 10 - ELECTROCHEMISTRY

1 / 56

Which ion will be discharged more easily?

2 / 56

Galvanic cells which cannot be recharged are called:

3 / 56

Electrode potential of SHE is arbitrarily taken as:

4 / 56

How many electrons are required to balance the charge? 2Cr3+ + 7H2 O Cr2 O2- 7 + 14H+

5 / 56

The most common fuel used in fuel cell is:

6 / 56

2Fe + 3Cl2 ? 2FeC13 in this reaction.

7 / 56

Oxidation number of Cr in K2CrO4:

8 / 56

Cu metal can be purified in electrolytic cell by making the impure Cu as:

9 / 56

If a strip of Cu metal is placed in a solution of FeSO4:

10 / 56

What are x and y in the reaction: xBr2 + 6OH- ? BrO- 3 + yBr- + 3H2O

11 / 56

The cathodic reaction in the electrolysis of dil. H2SO4 with Pt electrodes is:

12 / 56

In Fuel cells, chemical energy may be changed into:

13 / 56

The electrode through which the electrons enter the electrolytic solutions.

14 / 56

Oxidation number of elemerii in free state is:

15 / 56

In Daniel cell, Zn rod has negative sign and acts as:

16 / 56

The electrolyte used in fuel cell is:

17 / 56

The charge on mole of electrons is:

18 / 56

Oxidation number of Cr in K2Cr2O7:

19 / 56

SO 2- 4 + 8H+ + xe- S + 4H2O In the above reaction, value of 'x' is:

20 / 56

Voltage of Fuel cell 0.9 V and its efficiency is:

21 / 56

Reduction always takes place at:

22 / 56

The cell which is not rechargeable is called:

23 / 56

Oxidation state of oxygen in OF2:

24 / 56

Oxidation involves:

25 / 56

A reaction is spontaneous and feasible if emf is:

26 / 56

If the salt bridge is not used between two half cells, then the voltage

27 / 56

When Zn metal is added to CuSO4 solution copper is precipitated. It is due to:

28 / 56

Stronger the oxidizing agent, greater is the:

29 / 56

Anode in lead accumulator is lead grids filled with:

30 / 56

Oxidation state of nitrogen in HNO3 is:

31 / 56

The electrode through which the electron enters the electrolytic solution:

32 / 56

Which product is obtained at anode in electrolysis of NaNO3(aq) solution?

33 / 56

In electrolytic solutions, conductance of electricity is due to:

34 / 56

In Bleaching Powder (Ca , oxidation number of Cl atom is:

35 / 56

Cell potential depends upon:

36 / 56

In NICAD, cathode is:

37 / 56

Oxidation number of Cr in Cr2(SO4)3 is:

38 / 56

Which of the following statements is correct about Galvanic cell?

39 / 56

Oxidation no. of S in Na2S4O6 is:

40 / 56

Which of the following has same oxidation number in all its compounds?

41 / 56

In the following ionic equation BrO- 3 + 6H+ + xe- ? Br3+ + 3H2O The value of x is:

42 / 56

2K2MnO4 + Cl2 ? 2KMnO4 + 2KC1 The reaction.

43 / 56

Oxidation no. of C in C6 is:

44 / 56

Oxidation No. of S in S8 , S2 F2 and H2 S are respectively:

45 / 56

The value of reduction potential of F2 is:

46 / 56

The cell in which electrical energy is converted into chemical energy is called:

47 / 56

Oxidation no. of N in HNO3:

48 / 56

In H2O2, oxidation state of oxygen is:

49 / 56

Oxidation state of Mn in MnO-2 4:

50 / 56

Which process is used for extraction of Aluminium?

51 / 56

When fused PbBr2 is electrolysed:

52 / 56

Zn(S)/Zn2+(aq) (1M)//Cu2+(aq) (1M)/Cu(s)
is representation of the reaction:

53 / 56

Nelson's cell is used to prepare:

54 / 56

The best reducing agent is:

55 / 56

Percentage of H2SO4 used in lead accumulator is:

56 / 56

The trend of strength' as oxidizing agent down the electrochemical series is:

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The average score is 46%

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