How many secondary carbons are there in 2, 2-dimethylbutane? - Vidyadip

Question

How many secondary carbons are there in 2, 2-dimethylbutane?

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Answer

$\ \ \ \ \ \ \ \ \ \ \ \ \ \text{CH}_3\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\\\stackrel{{1^\circ}}{\hbox{ CH}}_3-\stackrel{{4^\circ}}{\hbox{C}}-\stackrel{{2^\circ}}{\hbox{ CH}}_2-\stackrel{{1^\circ}}{\hbox{ CH}}_3\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{CH}_3$ has one 2° (secondary)carbon.There are four primary carbon, one 4° carbon.

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