Organic Chemistry Some Basic Principles and Techniques - Result Question 27
####31. The $Cl-C-Cl$ angle in 1,1,2,2-tetrachloroethene and tetrachloromethane respectively will be about
[1988]
(a) $120^{\circ}$ and $120^{\circ}$
(b) $90^{\circ}$ and $109.5^{\circ}$
(c) $109.5^{\circ}$ and $90^{\circ}$
(d) $120^{\circ}$ and $109.5^{\circ}$
Topic 2: Isomerism in Organic Compounds
32. Given
(I)
(II)
(III) Which of the given compounds can exhibit tautomerism?
(a) I and III
(b) II and III
(c) I, II and III
(d) I and II
[2015]
Show Answer
Solution:
- (d) Tetrachloroethene being an alkene has $s p^{2}$ hybridized $C-$ atoms and hence the angle $Cl-C-Cl$ is $120^{\circ}$ while in tetrachloromethane, carbon is $s p^{3}$ hybridized, therefore the angle $Cl-$ $C-Cl$ is $109.5^{\circ}$.
