S Block Elements Question 41

Question: Which of the following has highest electrode potential

[CPMT 1990]

Options:

A) $ Be $

B) $ Mg $

C) $ Ca $

D) $ Ba $

Show Answer

Answer:

Correct Answer: A

Solution:

Element - Be Mg Ca Sr Ba
Electrode potential - 1.70 - 2.37 - 2.87 - 2.89 -2.90