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Select the incorrect option from the following option. (a)Immiscible blends are usually opaque

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Select the incorrect option from the following option.

(a) Immiscible blends are usually opaque

(b) Immiscible blends exhibit a single glass transition temperature (Tg) intermediate between those of individual components

(c) Miscible blends are usually clear

(d) Immiscible blends exhibit separate Tg’s characteristics of each component

This question was addressed to me in an interview.

My question is from Polymer Blends in portion Polymers of Engineering Chemistry I

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Right choice is (b) Immiscible blends exhibit a single glass transition temperature (Tg) intermediate between those of individual components

Easiest explanation: Miscible blends exhibit a single glass transition temperature (Tg) intermediate between those of individual components. All the other options are correct.

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