Which metal displaces hydrogen from acids to form salts?

a. Mercury 

b. Sodium

c. Lead

d. Gold

The answer to this question is given as sodium in the video, but even lead is more reactive than hydrogen then whats the reason it can't displace hydrogen to form salts?

Asked by Trisha Gupta | 23rd Sep, 2021, 01:24: PM

Expert Answer:

Out of the given elements, sodium and lead are the metals which are more reactive than hydrogen as the reactivity series follows the order Na> Pb> H > Cu>Hg>Ag.

But sodium is most reactive metal than lead hence the answer will be sodium not lead.   

Answered by Ramandeep | 23rd Sep, 2021, 06:15: PM

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