JEE Advanced 2015 · Paper 2 · Chemistry Q32

ChemistryMultiple correct+4 / -2Question 32 of 60

The correct statement(s) regarding, (i) HClO, (ii) $\ce{HClO2}$ , (iii) $\ce{HClO3}$ and (iv) $\ce{HClO4}$ , is(are)

The number of Cl=O bonds in (ii) and (iii) together is two

The number of lone pairs of electrons on Cl in (ii) and (iii) together is three

The hybridization of Cl in (iv) is

sp^3

Amongst (i) to (iv), the strongest acid is (i)

Answer and worked solution

Official answer: B, C

Structures of the chlorine oxoacids:

Acid	Cl=O bonds	Lone pairs on Cl
(ii) HClO₂	1	2
(iii) HClO₃	2	1

(B), (C)

Topics:Oxoacids Group 17 Hybridisation

JEE Advanced 2015 · Paper 2, Chemistry question 32