Explanation
Equivalent weight equal to molecular weight divided by n- factor.n−factorn−factor in case of H3PO2=1H3PO2=1 Then Equivalent weight equal to molecular weight in case of H3PO2H3PO2.
H+H+ in HClHCl is the reactant reduced, and HClHCl is the oxidizing agent. ZnZn is the reactant oxidized and the reducing agent. Cu2+Cu2+ in CuCl2CuCl2 is the reactant reduced, and CuCl2CuCl2 is the oxidizing agent.Cl2Cl2 is the reactant reduced and the oxidizing agent.
Nitrogen atoms can form up to four covalent bonds.In the ammonium ion(NH+4NH4+), the nitrogen atom forms four covalent bonds, again filling the outermost orbital with eight electrons: Phosphorus can form up to five covalent bonds, as in phosphoric acid (H3PO4)(H3PO4).
Eka-boron wassubsequently named as
Due to the inert pair effect.
In the elements which are at a lower position in the group, there are d and f orbitals which have poor shielding effect. So outermost s electrons feel more attractions towards the nucleus and become more difficult to lose. So as 2 electrons are not getting lost from ns, the oxidation state decreases from +3 to +1.
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