Chemistry · 2008
Organic Chemistry: Some Basic Principles and TechniquesFundamental Concepts in Organic Reaction Mechanism
NEET 2008 · Prelims · Code A · Q89
The stability of carbanions in the following: (a) RC = C (c) R_2 C = C H (d) R_3 C - C H_2 is in the order of:
The stability of carbanions in the following :
(a)
$\displaystyle \mathrm{RC}=\stackrel{\ominus}{\mathrm{C}}$
(b)
(c)
$\displaystyle \mathrm{R}_2 \mathrm{C}=\stackrel{\ominus}{\mathrm{C}} \mathrm{H}$
(d)
$\displaystyle \mathrm{R}_3 \mathrm{C}-\stackrel{\ominus}{\mathrm{C}} \mathrm{H}_2$
is in the order of :
Official answer
(2)
(a) $\displaystyle >$ (b) $\displaystyle >$ (c) > (d)
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