Part A How does the double bond influence the dispersion forces that can form be

Question

Part A

How does the double bond influence the dispersion forces that can form between the hydrocarbon chains of fatty acids?

Fill in the blanks

·        trans double

·        cis double

·        saturated fatty acids

·        cis fatty

·        unsaturated fatty acids

·        fewer

·        single

·        greater

·        saturated fatty

·        trans fatty

·        In _____, the _____ bonds cause the carbon chain to bend or "kink", which gives the molecules an irregular shape. As a result, _____ acids cannot stack as closely as _____ and thus have _____ dispersion forces between their carbon chains.

·        trans double

·        cis double

·        saturated fatty acids

·        cis fatty

·        unsaturated fatty acids

·        fewer

·        single

·        greater

·        saturated fatty

·        trans fatty

·        In _____, the _____ bonds cause the carbon chain to bend or "kink", which gives the molecules an irregular shape. As a result, _____ acids cannot stack as closely as _____ and thus have _____ dispersion forces between their carbon chains.

Explanation / Answer

In unsaturated fatty acids, the cis double bonds cause the carbon chain to bend or "kink", which gives the molecules an irregular shape. As a result,   cis fatty acids cannot stack as closely as    trans fatty and thus have    fewer dispersion forces between their carbon chains.

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