Question
In which of the following, the order is not in accordance with the property mentioned.
A.
$$Li < Na < K < Rb\, - $$ Atomic radius
B.
$$F > N > O > C\, - $$ Ionisation enthalpy
C.
$$Si < P < S < Cl\, - $$ Electronegativity
D.
$$F < Cl < Br < I\, - $$ Electronegativity
Answer :
$$F < Cl < Br < I\, - $$ Electronegativity
Solution :
Electronegativity decreases down the group.