Home / Aptitude Tests / Chemistry / What is the value of...
What is the value of n in the following equation? Cr2

What is the value of n in the following equation? Cr2O72- + 14H+ + ne- → 2Cr 3+ + 7H2O

A.

2

B.

3

C.

6

D.

7

View answer & explanation

Correct answer is C

No explanation has been provided for this answer.

See all Chemistry questions & answers
See more WAEC questions & answers
Similar Questions

Nitrogen is prepared on a large scale by the ...

Figure 1 above shows part of the periodic Table which of the elements belongs to the p-block?...

For a reaction in equilibrium, the species involved in the equilibrium constant expression are ...

Which of the following are mixtures?  I. Petroleum  II. Rubber latex  III. Vulcani...

What is the change in the oxidation number of 1- in the reaction represented by the following equati...

Which of the following represent hybridization in ethyne? ...

Which of the following relationships correctly expresses the Boyle's law? ...

Catalytic hydrogenation of alkenes produces compounds with the general formula ...

In the diagram above the gas Y could be ...

Which of the following does NOT happen when a zinc rod is introduced into a solution of copper (ll) ...

Aptitude Tests

Quantitative Reasoning Questions and Answers

Puzzles Questions and Answers

Personality Test

Nigeria General Knowledge Questions and Answers

Verbal Reasoning Questions and Answers

Microsoft Office Questions and Answers

Data Interpretation Questions and Answers

Abstract Reasoning Questions and Answers

Typing Speed and Accuracy Test

Spatial Reasoning Questions and Answers

Situational Judgement Questions and Answers

Numerical Reasoning Questions and Answers

Logical Reasoning Questions and Answers

See all →