1)

The correct statement(s) regarding, $(i)  HClO,(ii) HClO_{2},(iii) HClO_{3}$  and  $HClO_{4}$  is(are)


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

B) the number of lone pair of electrons on Cl in(ii) and (iii) together in three.

C) the hybridisatin of Cl in(iv) in $sp^{3}$

D) amongest (i) and (iv) , the strongest acid is(i)

Answer:

Option B.C

Explanation:

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(a)number of Cl-=O bonds in(ii) and (iii) together is three.Hence, wrong.

(b) number of  lone pair of on Cl in(ii) and (iii) together in three. Hence , correct

(c)In (iv) , Cl  is  $sp^{3}$  -hybridised. Hence, correct.

(d)amongest (i) and (iv) , the strongest acid is(iv). Hence , wrong