MHT CET 2022 Chemistry question

Not in JEE Main or NEET syllabus

Identify correct statement for "oil in water" type of emulsion

(A)Basic metal sulfates are used as emulsifiersCorrect
(B)Oil is dispersion phase
(C)Water is dispersed phase
(D)No effect on conducting power when small amount of an electrolyte is added

Answer: (A)

Solution

In an "oil in water" (o/w) emulsion, oil is the dispersed phase and water is the dispersion medium (continuous phase). So (B) and (C), which state the opposite, are wrong. Because water is the continuous phase, the emulsion conducts electricity and its conductivity increases when a small amount of electrolyte is

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Question ID VK-097148