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Hello everyone.
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So in this question we have been given the structure of three fatty acids which i have drawn as you can see this one is your butyric acid having four carbon atoms here and this one is your caproic acid having three four five six carbon atom and the last one is your loric acid having 12 carbons here okay and the question has been asked here that that we have to draw a box around this carboxyl group on each fatty acid so we know that carboxyl group has a functional group of bond c double bond oh h we know so we have to box these structures okay so in butricide we have the carboxyl group here then then we have caproic acid so in caproic acid here is the carboxyl group then in lori casein this one is your carboxyl group okay then the second question is has been asked that molecular formula of butyric acid okay molecular formula of butyric acid will be it has four carbon atoms so it will be c4 and number of hydrogen atoms are 1, 2, 3, 1, 2, 3, 4, 5, 6, 7 and 8, c4 h8, and number of oxygen atoms here, 1, 2, c4h8, 02.
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So this is the molecular formula of butric acid.
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Similarly, the molecular formula for caproic acid will be c will be a number of carbon sphere.
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1, 2, 3, 4, 5, 6, and hydrogen, 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12...