Redox Reactions & Electrochemistry (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 41 - 46 of 52

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1195 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 41

» Redox Reactions & Electrochemistry » Relation Between Cell Potential and Gibbs' Energy Change

MCQ▾

Question

The free energy change is related to emf of the cell E as?

Choices

Choice (4) Response

a.

b.

∆ G =-nFE

c.

E =-nF∆G

d.

∆ G =-nFRTlogE

Question number: 42

» Redox Reactions & Electrochemistry » Electrolysis (Faraday's First and Second Laws)

MCQ▾

Question

What is the ratio of fusion mixture containing alumina, Cryolite ( Fluorspar , used in the electrolytic reduction of pure alumina?

Choices

Choice (4) Response

a.

60: 20: 60

b.

20: 60: 20

c.

20: 20: 60

d.

60: 20: 20

Question number: 43

» Redox Reactions & Electrochemistry » Oxidation Number

MCQ▾

Question

A current of 2 ampere when passed for 5 hours through a molten salt deposits 22.2 g of metal of atomic mass 177. The oxidation state of the metal in metal salt is?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 44

» Redox Reactions & Electrochemistry » Half - Cell and Cell Reactions

MCQ▾

Question

The half cell reaction is the one that?

Choices

Choice (4) Response

a.

takes place at one electrode

b.

Involves half a mole of electrolyte

c.

Goes half way to completion

d.

Consumes half a unit of electricity

Question number: 45

» Redox Reactions & Electrochemistry » Conductance in Electrolytic Solutions

MCQ▾

Question

On increasing the dilution, the equivalent conductance?

Choices

Choice (4) Response

a.

Remains constant

b.

Decreases

c.

Increases

d.

All of the above

Question number: 46

» Redox Reactions & Electrochemistry » Electrochemical Cells

MCQ▾

Question

Arrange the following in increasing order of their discharge in electrochemical cells?

Choices

Choice (4) Response

a.

b.

c.

d.

f Page
Sign In