1. Tardigrade
  2. Question
  3. Chemistry
  4. Observe the following statements: i. According to VSEPR theory, ClF 3 and SO 2 are shown A B3 E and A B2 E type molecules respectively. ii. SF 4 has See-saw shape. iii. HgCl2 and PbCl 2 have same shape. The statements which are not correct are

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Q. Observe the following statements:
i. According to VSEPR theory, $ClF _{3}$ and $SO _{2}$ are shown $A B_{3} E$ and $A B_{2} E$ type molecules respectively.
ii. $SF _{4}$ has "See-saw" shape.
iii. $HgCl_{2}$ and $PbCl _{2}$ have same shape. The statements which are not correct are

AP EAMCETAP EAMCET 2019

Solution:

Statements (i) and (iii) are not correct. Their correct explanation are as follows:

(i) According to VSEPR theory $ClF _{3}$ has $3$ bond pairs and $2$ lone pairs thus it is $A B_{3} E_{2}$ type molecule whereas $SO _{2}$ has $2 \sigma$ bond pairs and one lone pair so it is $A B_{2} E$ type molecule.

(iii) $HgCl _{2}$ has a linear shape because it has $2$ bond pairs only whereas $PbCl _{2}$ has 2 bond pairs with one lone pair thus it has a bent shape.