Q.
Consider the following order:
(i) $HF >\, HCl >\, HBr >\, HI$ : Lewis basic character
(ii) $CH_{4}<\, CCl_{4}<\, CF_{4}$ : Electronegativity of central ‘C’- atom
(iii) $Mg^{2+}+K^{+}<\,S^{2-}<\,Se^{2-}$ : Ionic radius
(iv) $Ni >\, Pd >\, Pt$ : Ionisation energy
(v) $As^{5+}>\,Sb^{5+}>\,Bi^{5+}$ : Stable oxidation state
(vi) $LiF >\, NaF>\,KF>\,RbF$ : Lattice energy
(vii) $F^{-} (aq) >\, Cl^{-}(aq)>\,Br^{-} (aq) >\,I^{-}(aq)$ : Electrical conductance
(viii) $Li^{+}<\,Mg^{2+}<\,Al^{3+}$ : Hydration energy
(ix) $Cl >\,Br>\,F >\,I$ : : Electron affinity
(x) $BeCl_{2}<\,AlCl_{3}<\,SiCl_{4}$ : Lewis acidic character
Then calculate value of $(x-y)$, where $x$ and $y$ are correct and incorrect orders respectively
Classification of Elements and Periodicity in Properties
Solution: