FSC Chemistry MCQs Chapter 10 Class 11





NUST entry test 2023 NET contains most of the Chemistry MCQs. FSC Part 1 Chemistry book MCQs. HSSC Chemistry questions MCQs. Solved Chapterwise Chemistry MCQs for first-year 11 class MCQs. Second-year and first-year Chemistry textbooks chapter-wise MCQs with the answer are provided here. PakLearningSpot PLS MCQs Bank website for FREE Entry test preparations

1504
Created on

Chemistry Ch 10 Class 11 Electrochemistry

1 / 66

Which of the following statements about the reaction given below are correct.

IO3-(aq) + 2I-(aq) + 6H+(aq) + 6Cl-(aq) -> 3ICl2-(aq) + 3H2O(l)

NUMS 2018
Chemistry
Electrochemistry
Elimination Tool:

2 / 66

In electrochemical series, elements are arranged in order of their standard electrode potentials, the correct decreasing reactivity order for metals is:

NTS 2018
Chemistry
Electrochemistry
Elimination Tool:

3 / 66

The oxidation state of carbon in C2O42- is:

NUMS 2019 Reconduct
Chemistry
Electrochemistry
Elimination Tool:

4 / 66

Standard reduction potential of F2, Br2 is:

5 / 66

In Lead-Acid battery, product formed at anode during discharging is

6 / 66

On balancing the following chemical equation: K2CrO4, + HCI –> KCI + 2CrCI3 + Cl2 + H2O The co-efficient with HCI will be?

7 / 66

Each half reaction in ion electron method is balanced by adding:

PMC Sample 1
Chemistry
Electrochemistry
Elimination Tool:

8 / 66

The process in which electric current is used to carry out a non-spontaneous redox reaction is called:

NTS 2017
Chemistry
Electrochemistry
Elimination Tool:

9 / 66

In the reaction 2Fe+Cl2 2FeCl3

NTS 2017
Chemistry
Electrochemistry
Elimination Tool:

10 / 66

Current in electrolysis is carried through:

PMC Sample 3
Chemistry
Electrochemistry
Elimination Tool:

11 / 66

Current in electrolysis is carried through?

PMC Practice 1
Chemistry
Electrochemistry
Elimination Tool:

12 / 66

Standard Electrode Potential is measured at temperature:

13 / 66

The oxidation number of all the elements in the free state is:

NTS 2012
Chemistry
Electrochemistry
Elimination Tool:

14 / 66

Only those substances are written in Ion Electron Method:

PMC Sample 1
Chemistry
Electrochemistry
Elimination Tool:

15 / 66

The electrolyte used in fuel cell is:

NUMS 2019 Reconduct
Chemistry
Electrochemistry
Elimination Tool:

16 / 66

Highest oxidation state of chlorine Is

17 / 66

The oxidation potential standard hydrogen electrode is arbitrarily taken as:

NTS 2019
Chemistry
Electrochemistry
Elimination Tool:

18 / 66

Both a and c What is the oxidation number of S in SO2^(-2)?

19 / 66

When electricity is passed through water in the presence of an acid, oxygen and ______ is produced.

NTS 2018
Chemistry
Electrochemistry
Elimination Tool:

20 / 66

Which of the following is a balanced redox equation?

NUMS 2020
Chemistry
Electrochemistry
Elimination Tool:

21 / 66

During oxidation process, oxidation number of an element:

PMC 2020
Chemistry
Electrochemistry
Elimination Tool:

22 / 66

Which one among the following is the strongest reducing agent:

Fe2++ 2e -> Fe (-0.44V)

Sn2++ 2e -> Sn (-0.14 V)

Ni2++ 2e -> Ni (0.25 V)

Fe3++ e -> Fe2+(-0.77 V)

NUMS 2018
Chemistry
Electrochemistry
Elimination Tool:

23 / 66

If we move down the electrochemical series:

NUMS 2014
Chemistry
Electrochemistry
Elimination Tool:

24 / 66

Oxidation number of Nitrogen in HNO3, is:

NTS 2011
Chemistry
Electrochemistry
Elimination Tool:

25 / 66

The oxidation number of Br in Br2 is:

NTS 2019
Chemistry
Electrochemistry
Elimination Tool:

26 / 66

Conversion of Electrical energy into chemical energy is

PMC Sample 2
Chemistry
Electrochemistry
Elimination Tool:

27 / 66

The overall positive reduction potential value predicts that process is:

NUMS 2015
Chemistry
Electrochemistry
Elimination Tool:

28 / 66

In the electrolysis of molten ZnCl2, how much Zn can be deposited at the cathode by the passage of 0.01 ampere for one hour?

NUMS 2017
Chemistry
Electrochemistry
Elimination Tool:

29 / 66

X is a salt that decomposes in water.

What is the reason for its decomposition?
e-+ X3+→ X2+ Ecell= 1.91 V

NUMS 2018
Chemistry
Electrochemistry
Elimination Tool:

30 / 66

In which of the following nitrogen compounds, does N has the highest oxidation state?

NTS 2018
Chemistry
Electrochemistry
Elimination Tool:

31 / 66

Which one has valency other than one?

32 / 66

Which of the following exhibits an oxidation state of -3?

33 / 66

Stronger the oxidizing agent, greater is the:

NUMS 2020
Chemistry
Electrochemistry
Elimination Tool:

34 / 66

Oxidation is defined as:

35 / 66

Definition of electrode potential is?

36 / 66

Two half cells of a galvanic cell are connected with a salt bridge, the electrons flow from:

37 / 66

The E.M.F of a Cell is equals to

PMC Sample 1
Chemistry
Electrochemistry
Elimination Tool:

38 / 66

The oxidation number of nitrogen in the HNO3 is _______.

NUMS 2018
Chemistry
Electrochemistry
Elimination Tool:

39 / 66

Oxidation state of P in Mg2P3O5 Is

40 / 66

What is the oxidation state of Mn in K2MnO4?

41 / 66

which one of the following Is the oxidation number of Iodine in I2?

42 / 66

+3 and +5 oxidation states are often shown by:

43 / 66

Hydrolysis means reaction with

PMC Sample 3
Chemistry
Electrochemistry
Elimination Tool:

44 / 66

CH3Cl + Cl2 —-> CH2Cl2 + HCl is an example of ?

NTS 2015 SMBBMC
Chemistry
Electrochemistry
Elimination Tool:

45 / 66

Zn can be deposited on iron by?

46 / 66

The Oxidation state of Alkali metals in any compound is?

PMC Sample 3
Chemistry
Electrochemistry
Elimination Tool:

47 / 66

The hydrogen gas bubbling into one molar solution of HCl has a pressure of

PMC Sample 3
Chemistry
Electrochemistry
Elimination Tool:

48 / 66

The oxidation state of “S’ in the (S2O3)-2 is:

PMC 2020
Chemistry
Electrochemistry
Elimination Tool:

49 / 66

Conversion of Electrical energy into chemical energy is

PMC Sample 1
Chemistry
Electrochemistry
Elimination Tool:

50 / 66

Which of the following metals does NOT liberate hydrogen in reaction with acids?

NUMS 2019 Reconduct
Chemistry
Electrochemistry
Elimination Tool:

51 / 66

The reaction: Cl2 + H2O→ HCl + HOCl is an example of:

NTS 2014
Chemistry
Electrochemistry
Elimination Tool:

52 / 66

Decrease in Oxidation number is

PMC Sample 2
Chemistry
Electrochemistry
Elimination Tool:

53 / 66

Oxidation number of Cr in K2Cr2O2 & K2Cr2O4 is:

54 / 66

The process in which electric current is used to carry out a non-spontaneous redox reaction is called:

NUMS 2018
Chemistry
Electrochemistry
Elimination Tool:

55 / 66

The process of depositing a thin layer of expensive metals on ordinary or expensive metals is called:

NUMS 2017
Chemistry
Electrochemistry
Elimination Tool:

56 / 66

A solution of Sodium Sulphate was electrolyzed using platinum electrode, the products at the anode and cathode respectively are:

NUMS 2017
Chemistry
Electrochemistry
Elimination Tool:

57 / 66

The breakdown of a substance with current is:

NUMS 2020
Chemistry
Electrochemistry
Elimination Tool:

58 / 66

Oxidation number of particular element can be directly or indirectly inferred from its:

UHS 2019
Chemistry
Electrochemistry
Elimination Tool:

59 / 66

If we balanced the following reaction , what is the net ionic charge on the right side of the equation?
__H+ +___ MnO4- + ____ Fe2+ →___ Mn2+ + ___ Fe3+ + ___ H2O

NTS 2014
Chemistry
Electrochemistry
Elimination Tool:

60 / 66

Oxidation state of sulphur in H2SO4?

61 / 66

In the following reaction:

3Br2 +6CO32- + 3H2O → 5Br-1 + BrO3-1 + 6HCO3-1

NTS 2014
Chemistry
Electrochemistry
Elimination Tool:

62 / 66

What is the cell reaction of

Zn(s) | Zn2+(aq) 1M | Ni2+(aq) 1M | Ni(s)

Zn2+(aq) + 2e- -> Zn(s), Eo = -0.76 V

Ni2+(aq) + 2e- -> Ni(s), Eo = -0.25 V

NUMS 2019 Cancelled
Chemistry
Electrochemistry
Elimination Tool:

63 / 66

Stronger the oxidizing agent, higher is the:

NUMS 2019 Reconduct
Chemistry
Electrochemistry
Elimination Tool:

64 / 66

Which of the methods to prevent corrosion?

PMC Sample 3
Chemistry
Electrochemistry
Elimination Tool:

65 / 66

In Balancing redox equation, the first thing is to:

PMC Sample 3
Chemistry
Electrochemistry
Elimination Tool:

66 / 66

The common oxidation number of halogens is:

PMC 2020
Chemistry
Electrochemistry
Elimination Tool:

Your score is

The average score is 63%

0%




Learn Anytime Anywhere

PakLearningSpot

Download PLS Mobile App from Google Play Store

,

error: Content is protected !!
Open chat
Salam
Can we help you?