The correct statement(s) regarding (i) HClO, (ii) `HClO_2`, (iii) `HClO_3 `and (iv) `HClO_4`, is (are)

Options

A. The number of Cl=O bonds in (ii) and (iii) together is two
B. The total number of lone pairs of electrons on Cl in (ii) and (iii) together is three
C. The hybridization of Cl in (iv)as `sp^3`
D. Amongst (i) to (iv), the strongest acid is (i)

Answer

B, C

Explanation

Statement(A) is wrong because the number of Cl=O bonds in (ii) and (iii) is 1 +2=3. Statement(B) is correct because the lone pairs of electrons on Cl in (ii) and (iii) is 2 + 1 = 3. Statement (C) is also correct since hybridization of CI in (iv) is sp in fact it is `sp^3` in all the four acids. Statement (D) is wrong because strongest acidis(iv) and not (i)