Preparation and solution of chemistry 1st-year mcqs are considered tough enough. MCQs of chemistry 1st year are not such simple as other's books. Chemistry MCQs need a special and comprehensive explanation for solutions. So, here you are given a concept review of the most important mcqs of chemistry 1st year.
Download or Preview chemistry 1st year mcqs with answers to Chapter 10 Electrochemistry. These mcqs are also important for the preparation of the Entrance exam UHS NMDCAT and UET.
Chemistry 1st year mcqs Importance
It is a tough and difficult task to solve chemistry 1st year mcqs. Students
must need full conceptual knowledge of chemistry 1st year mcqs for excellent
marks in chemistry 1st year. All the important mcqs of chemistry 1st year of chapter 10 Electrochemistry are here for you. These questions are taken from past
papers of 1st-year chemistry of all Punjab Board of Pakistan as ;
Bahawalpur Board
D.G.Khan Board
Faisalabad Board
Gujranwala Board
Lahore Board
Multan Board
Rawalpindi Board
Post is created and designed with intense care and diligence.
These questions (MCQs) are top repetitive in chemistry 1st year Past Papers. Each
question has a detailed answer explanation. In this way, you learn mcqs of chemistry 1st year, Comprehensively.
Study Smart & Splendid Marks
F.sc part 1 Students face big difficulties while preparing for Chemistry Multiple Choice Questions (MCQs). Good News! mhbeducator.com
offers you, the easiest and smartest way to prepare for chemistry 1st year mcqs with answers. In this post, you
can view and download the chemistry 1st year mcqs with answers Chapter 10 Electrochemistry mcqs. For chemistry, 1st year mcqs with answers pdf of all chapters click the link below the post. This
content is very helpful for weak students and also helpful for those
students that are better at chemistry 1st-year exam preparation. These
Questions are based on the current chemistry 1st-year syllabus according
to Punjab Textbook Board.
About This Chapter
Chapter no. 10 "Electrochemistry" of chemistry 1st year enables the students to learn.
- Introduction to electrochemistry
- Differences between electrolytic cells and voltaic cell
- Balancing of redox equations by oxidation number method
- Balancing of redox equations by Ion electron method
- Electrolytic cell
- Explanation of electrolysis
- Voltaic or Galvanic cell
- Standard electrode potential
- Standard hydrogen electrode SHE
- Applications of electrochemical series
- Lead accumulator battery
- Nickle cadmium cell
This Post "Chemistry 1st year mcqs with answers Chapter 10 Electrochemistry " covers all important MCQs that are top repetitive
in past papers relevant to the above-mentioned topics.
👉For Answers to the following questions click the show answer button.
1. Oxidation number of oxygen in OF2 is:
(A) zero
(B) -2
(C) +2
(D) -1
(C) +2
2. In the conversion of Br2 to Br-3 state of bromine changes from:
(A) 0 to -2
(B) 0 to -3
(C) 0 to -1
(D) 2 to 5
(B) 0 to -3
3. Sulphur has the highest Oxidation state in:
(A) H2SO3
(B) H2S
(C) SO3
(D) SO2
(C) SO3
4. The oxidation number of Cr in K2Cr2O7 is:
(A) +2
(B) +4
(C) +5
(D) +6
(D) +6
5. Oxidation number of Mn in KMnO4 is
(A) 5
(B) 7
(C) 3
(D) 4
(B) 7
6. Oxidation state of carbon in glucose C6H12O6 is:
(A) Zero
(B) One
(C) Two
(D) Four
(A) Zero
7. Which one of the following cells is used for the extraction of Na metal?
(A) Down's cell
(B) Nelson's cell
(C) Galvanic cell
(D) All of above
(A) Down's cell
8. If a strip of Cu metal is placed in a solution of FeSO4:
(A) Fe is precipitated out
(B) Cu and Fe both dissolve
(C) Copper will be deposited
(D) No reaction takes place
(B) Cu and Fe both dissolve
9. If the Salt Bridge is not used between two half cells then the voltage:
(A) Drops to zero
(B) Remains constant
(C) Decreases slowly
(D) Decreases rapidly
(A) Drops to zero
10. The cathodic reaction in the electrolysis of H2SO4 with Pt electrode is:
(A) Oxidation
(B) Reduction
(C) Redox
(D) None of these
(B) Reduction
11. The cathodic reaction in the electrolysis of dilute H2SO4 with Fe electrode is:
(A) Oxidation
(B) Reduction
(C) Redox
(D) None of these
(B) Reduction
12. When one metal is deposited on the surface of the Other by the process of electrical current it's called:
(A) Electrolytic purification
(B) Electroplating
(C) Refining
(D) Electrolysis
(B) Electroplating
13. Fuel cells convert chemical energy into:
(A) Mechanical energy
(B) Heat energy
(C) Light energy
(D) Electrical energy
(D) Electrical energy
14. Stronger the oxidizing agent greater is the
(A) Oxidation potential
(B) Reduction potential
(C) Redox potential
(D) emf of cell
(B) Reduction potential
15. Standard Hydrogen Electrode (SHE) is made up of:
(A) Ag foil
(B) Au foil
(C) Pt foil
(D) Cu foil
(C) Pt foil
16. Electrode potential of SHE arbitrarily is taken in volts is:
(A) 0.00
(B) 1.00
(C) 0.01
(D) 0.05
(A) 0.00
17. The voltage of Nickel-cadmium cell is:
(A) 0.5 V
(B) 1.0 V
(C) 1.5 V
(D) 1.6 V
(C) 1.5 V
18. During space flights, astronauts obtain water from:
(A) Lead Accumulator
(B) Nickle-Cadmium cell
(C) Fuel cell
(D) All of above
(C) Fuel cell
19. In an electrochemical series, standard electrode potentials are arranged on the basis of:
(A) pKa scale
(B) pH scale
(C) pOH scale
(D) Hydrogen scale
(D) Hydrogen scale
20. For the purification of copper, impure copper is made the:
(A) Cathode
(B) Anode
(C) Solution
(D) None of these
(B) Anode
0 Comments