State reason for the following : (i) Non-metals cannot displace hydrogen from the acids.
State reason for the following :
(i) Non-metals cannot displace hydrogen from the acids.
(ii) Hydrogen is not a metal, yet it is placed in the activity series of metals.
(iii) Aluminum is more reactive than iron, yet its corrosion is less than that of iron.
2 Answers
(i) Non-metals are electron accepters, they cannot supply electrons so as to convert H+ ion to H2(g).
(ii) Like metals, hydrogen can lose an electron to form positive H+ ion.
(iii) Aluminium is covered with a strong Protective layer of oxide which protects the metal from further corrosion.
(i) Non-metals are electron accepters, they cannot supply electrons so as to convert H+ ion to H2(g).
(ii) Like metals, hydrogen can lose an electron to form positive H+ ion.
(iii) Atuminium is covered with a strong protective layer of oxide which protects the metal from further corrosion