1a. I spread ___ on my dinner rolls on Thanksgiving because___. butter/it has mo

Question

1a. I spread ___ on my dinner rolls on Thanksgiving because___.

butter/it has more saturated fat than margarine

margarine/it has more trans fat than butter

butter/it tastes better than margarine

margarine/my brother ate all the butter

(Picture for 1b.)

1b. Unsaturated fats in butter and margarine undergo oxidative rancidity via a free radical pathway to produce undesirable flavors and odors. The fat radical in the reaction is:

1o

2o

3o

allylic

1c. A ____ radical is more stable than a ___ radical.

primary/secondary

tertiary/primary

secondary/tertiary

secondary/allylic

1d. Consider the reaction: C3H8 + X2 -- light --> C3H7X + HX. Which statement is true?

Cl2 gives mostly one product (chlorination is selective)

Br2 gives mostly one product (bromination is selective)

Cl2 and Br2 are equally selective

1e. Propene reacts with HBr/peroxides to form ___. This is a ___ addition reaction.

1-bromopropane

2-bromopropane

1,2-dibromopropane

Markovnikov

anti-Markovnikov

Explanation / Answer

1a) margarine/it has more trans fat than butter

1b) 2o

1c) tertiary/secondary

1d) Br2 gives mostly one product (bromination is selective)

1e) 1-bromopropane

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