JEE PYQ: Surface Chemistry Question 15
Question 15 - 2020 (03 Sep Shift 2)
Type: MCQ
An ionic micelle is formed on the addition of:
(a) liquid diethyl ether to aqueous NaCl solution
(b) excess water to liquid (an imidazolium salt with $\text{PF}_6^-$)
(c) excess water to liquid (an imidazolium salt with long alkyl chain and $\text{SO}_4^-$)
(d) sodium stearate to pure toluene
Show Answer
Answer: (b)
Solution
Excess water to liquid with the imidazolium salt having a hydrophobic chain forms a micelle due to presence of the hydrophobic chain.
BETA
