1st Year Chemistry MCQs Chapter No.10 ElectroChemistry MDCAT

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

In NICAD, cathode is:

2 / 56

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

3 / 56

Electrode potential of SHE is arbitrarily taken as:

4 / 56

Oxidation no. of S in Na2S4O6 is:

5 / 56

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

6 / 56

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

7 / 56

The charge on mole of electrons is:

8 / 56

Stronger the oxidizing agent, greater is the:

9 / 56

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

10 / 56

The cell which is not rechargeable is called:

11 / 56

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

12 / 56

Voltage of Fuel cell 0.9 V and its efficiency is:

13 / 56

Oxidation number of Cr in K2CrO4:

14 / 56

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

15 / 56

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

16 / 56

Which process is used for extraction of Aluminium?

17 / 56

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

18 / 56

Cell potential depends upon:

19 / 56

In H2O2, oxidation state of oxygen is:

20 / 56

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

21 / 56

Oxidation state of oxygen in OF2:

22 / 56

Oxidation number of elemerii in free state is:

23 / 56

The best reducing agent is:

24 / 56

Oxidation state of Mn in MnO-2 4:

25 / 56

Reduction always takes place at:

26 / 56

In electrolytic solutions, conductance of electricity is due to:

27 / 56

Percentage of H2SO4 used in lead accumulator is:

28 / 56

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

29 / 56

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

30 / 56

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

31 / 56

Galvanic cells which cannot be recharged are called:

32 / 56

Oxidation involves:

33 / 56

Which of the following statements is correct about Galvanic cell?

34 / 56

Nelson's cell is used to prepare:

35 / 56

The electrode through which the electron enters the electrolytic solution:

36 / 56

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

37 / 56

Anode in lead accumulator is lead grids filled with:

38 / 56

When fused PbBr2 is electrolysed:

39 / 56

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

40 / 56

The electrolyte used in fuel cell is:

41 / 56

Oxidation number of Cr in K2Cr2O7:

42 / 56

In Fuel cells, chemical energy may be changed into:

43 / 56

Oxidation no. of C in C6 is:

44 / 56

A reaction is spontaneous and feasible if emf is:

45 / 56

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

46 / 56

The electrode through which the electrons enter the electrolytic solutions.

47 / 56

Which ion will be discharged more easily?

48 / 56

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

49 / 56

The most common fuel used in fuel cell is:

50 / 56

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

51 / 56

The value of reduction potential of F2 is:

52 / 56

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

53 / 56

Oxidation state of nitrogen in HNO3 is:

54 / 56

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

55 / 56

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

56 / 56

Oxidation no. of N in HNO3:

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