When do positive and negative charges appear on a carbon atom? Give examples.
(N/A) If a carbon atom has three covalent bonds and one vacant orbital,it carries a $(+1)$ charge.
Example: All carbocations,such as $H_{3}C^{+}$.
If a carbon atom has three bonds and one non-bonding electron pair,it carries a $(-1)$ charge.
Example: All carbanions,such as $H_{3}C^{-}$.
Example: All carbocations,such as $H_{3}C^{+}$.
If a carbon atom has three bonds and one non-bonding electron pair,it carries a $(-1)$ charge.
Example: All carbanions,such as $H_{3}C^{-}$.
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Which of the following intermediates has a complete octet around the carbon atom?
Medium
View SolutionThe most stable carbocation among the following is:
DifficultNEET 2019
View SolutionThe order of stability of the following carbocations is:
$I$. $CH_2 = CH - CH_2^+$
$II$. $CH_3 - CH_2 - CH_2^+$
$III$. $C_6H_5CH_2^+$
$I$. $CH_2 = CH - CH_2^+$
$II$. $CH_3 - CH_2 - CH_2^+$
$III$. $C_6H_5CH_2^+$
State whether the following statements are True or False:
$(i)$ $CH_3-CH_2^+$ is more stable than $CH_3^+$
$(ii)$ $CH_3-CH_2^+$ is less stable than $CH_3^+$
$(iii)$ $(CH_3)_3C^+$ is less stable than $CH_3^+$
$(iv)$ $(CH_3)_3C^+$ is more stable than $CH_3^+$
$(i)$ $CH_3-CH_2^+$ is more stable than $CH_3^+$
$(ii)$ $CH_3-CH_2^+$ is less stable than $CH_3^+$
$(iii)$ $(CH_3)_3C^+$ is less stable than $CH_3^+$
$(iv)$ $(CH_3)_3C^+$ is more stable than $CH_3^+$
Easy
View SolutionIn which of the following reactions does a rearrangement take place with a change in the carbon skeleton?
Difficult
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