Organic Chemistry Some Basic Principles and Techniques - Result Question 20
####22. When the hybridization state of carbon atom changes from $s p^{3}$ to $s p^{2}$ and finally to $s p$, the angle between the hybridized orbitals
[1993]
(a) decreases gradually
(b) decreases considerably
(c) is not affected
(d) increases progressively.
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Solution:
- (d) Angle increases progressively $s p^{3}(109^{\circ} 28^{\prime}), s p^{2}(120^{\circ}), s p(180^{\circ})$
23 .
4-Hydroxy-2-methylpent-2-en-1-al
(b) ${ }^{1} CH_3-{ }^{2} C={ }^{3} CH-{ }^{4} CH_3$ 2-Methyl-2-butene
(d) $\stackrel{s p^{3}}{C} H_3-\stackrel{s p^{2}}{C} H=\stackrel{s p^{2}}{C} H-\stackrel{s p^{3}}{C} H_2-\stackrel{s p^{2}}{C} H=\stackrel{s p^{2}}{C} H-C \equiv \stackrel{s p}{C} H$
