Chemistry
Answer
Differences between 'X' and 'X1+ are :
| Atoms – 'X' | Ions – 'X1+' |
|---|---|
| Electrically neutral particles | Electrically charged particles [cations, anions] |
| May or may not exist independently | Exist independently in solution |
| Outermost shell may or may not have duplet or octet. | Outermost shell have complete duplet or octet. |
Related Questions
Define the terms:
(i) Electrovalent or ionic bond
(ii) Electrovalent or ionic compound.
What is meant by the term 'electrovalency'. State why Na [at. no. 11] has a electropositive valency of +1 and Cl (at. no. 17) an electronegative valency of -1.
Explain the terms 'oxidation' and reduction' with reference to an atom or ion.
State which of the following are oxidation reactions and which are reduction reactions.
(a) (i) Cu ⟶ Cu2+ + 2e-
(ii) Cu2+ + 2e- ⟶ Cu
(iii) Sn4+ + 2e- ⟶ Sn2+
(iv) 2Cl- ⟶ Cl2 + 2e-
(v) Fe2+ ⟶ Fe3+ + 1e-
(vi) X + 2e- ⟶ X2-
(vii) Y - 1e- ⟶ Y1+
(viii) Z3+ + 1e- ⟶ Z2+
(b) (i) Zn ⟶ Zn2+
(ii) S ⟶ S2-
(iii) Sn2+ ⟶ Sn
(iv) Fe2+ ⟶ Fe3+