Given below are two statements:
Statement - I: Along the period, the chemical reactivity of the elements gradually increases from group 1 to group 18 .
Statement - II: The nature of oxides formed by group 1 elements is basic while that of group 17 elements is acidic.
In the light of the above statements, choose the most appropriate from the options given below:
Match List I with List II.
List I Species |
List II Electronic distribution |
||
---|---|---|---|
(A) | $$\mathrm{Cr^{+2}}$$ | (I) | $$\mathrm{3d^8}$$ |
(B) | $$\mathrm{Mn^+}$$ | (II) | $$\mathrm{3d^34s^1}$$ |
(C) | $$\mathrm{Ni^{+2}}$$ | (III) | $$\mathrm{3d^4}$$ |
(D) | $$\mathrm{V^+}$$ | (IV) | $$\mathrm{3d^54s^1}$$ |
Choose the correct answer from the options given below :
Given below are two statements:
Statement I : Fluorine has most negative electron gain enthalpy in its group.
Statement II : Oxygen has least negative electron gain enthalpy in its group.
In the light of the above statements, choose the most appropriate from the options given below
The element having the highest first ionization enthalpy is