DECEDYLLEGASPIIN DECEDYLLEGASPIIN

Chemistry

Answered

Which substance would be expected to exhibit the

greatest surface tension at 25 ˚C?

(A) CH3OCH3

(B) C2H5OH

(C) CH3CH(OH)CH3

(D) CH2(OH)CH2OH

Sagot :

WERTYWAFO21IN WERTYWAFO21IN

Answer:

B

Explanation:

Because of the relatively high attraction of water molecules to each other through a web of hydrogen bonds, water has a higher surface tension (72.8 millinewtons (mN) per meter at 20 °C) than most other liquids.

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