Question

Q.7. From the following which non-metals is present in reactivity series of metals:
(i) Oxygen (ii) Chlorine
(iii) Bromine (iv) Hydrogen
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Answer 1

Answer:

(iv) Hydrogen

Explanation:

Hydrogen is present in the reactivity series after $Fe^{2+}$

reactivity series: Li, K, Ba, Sr, Ca, Na, Mg, Al, Mn, Zn, Cr, $Fe^{3+}$, Cd, Co, Ni, Sn, Pb, Fe, H.... etc.

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