Which of the following is the formula of Butanoic acid
(a) CH3CH2CH2CH2COOH
(b) COOH-CH2-CH2-CH2-CH3
(c) CH3- CH- CH2-CH3
I
COOH
(d) CH2- CH2-CH2-COOH
Correct Answer: (d) CH2- CH2-CH2-COOH
Explanation: The formula of Butanoic acid is CH2- CH2-CH2-COOH.
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