Redox Reactions And Electrochemistry Question 550

Question: Which of the following is a highly corrosive salt-

Options:

A) $ Hg_2Cl_2 $

B) $ HgCl_2 $

C) $ FeCl_2 $

D) $ PbCl_2 $

Show Answer

Answer:

Correct Answer: B

Solution:

$ E_{Hg^{2+}|Hg}^{\circ }>E_{Hg^{2+}|Hg}^{\circ }>E_{Fe^{2+}|Fe}^{\circ }>E_{Pb^{2+}|Pb}^{\circ }$



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