Which of the following statement is true?
i) Electropositive character increases down the group
ii) If negative oxidation state of elements are same in group, then electropositivity increases down the group
iii) If positive oxidation state of elements are same in group, then electronegativity increases down the group
iv) If electronegative character difference increases between two elements, then ionic characteristics of bond increases.
 

• A

  i, ii, iv

• B

  i, ii

• C

  ii, iii

• D

  iii, iv