JEE Main 2021 (Online) 27th July Morning Shift | Chemistry in Everyday Life Question 49 | Chemistry

Sodium stearate CH₃(CH₂)₁₆COO^$$-$$Na⁺ is an anionic surfactant which forms micelles in oil.

Choose the correct statement for it from the following :

It forms spherical micelles with CH₃(CH₂)₁₆ - group pointing towards the centre of sphere.

It forms non-spherical micelles with -COO^$$-$$ group pointing outwards on the surface.

It forms spherical micelles with CH₃(CH₂)₁₆ - group pointing outwards on the surface of sphere

It forms non-spherical micelles with CH₃(CH₂)₁₆ - group pointing towards the centre.

JEE Main 2021 (Online) 25th July Morning Shift

MCQ (Single Correct Answer)

-1

Out of Syllabus

Which one of the following chemical agent is not being used for dry-cleaning of clothes?

H₂O₂

CCl₄

Liquid CO₂

Cl₂C = CCl₂

JEE Main 2021 (Online) 20th July Morning Shift

MCQ (Single Correct Answer)

-1

Out of Syllabus

Green chemistry in day-to-day life is in the use of :

Chlorine for bleaching of paper

Large amount of water alone for washing clothes

Tetrachloroethene for laundry

Liquified CO₂ for dry cleaning of clothes

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