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1
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Sodium stearate CH3(CH2)16COO$$-$$Na+ is an anionic surfactant which forms micelles in oil.

Choose the correct statement for it from the following :
A
It forms spherical micelles with CH3(CH2)16 - group pointing towards the centre of sphere.
B
It forms non-spherical micelles with -COO$$-$$ group pointing outwards on the surface.
C
It forms spherical micelles with CH3(CH2)16 - group pointing outwards on the surface of sphere
D
It forms non-spherical micelles with CH3(CH2)16 - group pointing towards the centre.
2
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which purification technique is used for high boiling organic liquid compound (decomposes near its boiling point)?
A
Simple distillation
B
Steam ditillation
C
Fractional distillation
D
Reduced pressure distillation
3
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
When silver nitrate solution is added to potassium iodide solution then the sol produced is :
A
AgI / I$$-$$
B
AgI / Ag+
C
KI / NO$$_3^ - $$
D
AgNO3 / NO$$_3^ - $$
4
JEE Main 2021 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
JEE Main 2021 (Online) 20th July Morning Shift Chemistry - Practical Organic Chemistry Question 28 English
For above chemical reactions, identify the correct statement from the following :
A
Both compound 'A' and compound 'B' are dicarboxylic acids
B
Both compound 'A' and compound 'B' are diols
C
Compound 'A' is diol and compound 'B' is dicarboxylic acid
D
Compound 'A' is dicarboxylic acid and compound 'B' is diol
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