1
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
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) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The water soluble protein is :
A
Fibrin
B
Albumin
C
Myosin
D
Collagen
3
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
At 298.2 K the relationship between enthalpy of bond dissociation (in kJ mol$$-$$1) for hydrogen (EH) and its isotope, deuterium (ED), is best described by :
A
$${E_H} = {1 \over 2}{E_D}$$
B
$${E_H} = {E_D}$$
C
$${E_H} \simeq {E_D} - 7.5$$
D
$${E_H} = 2{E_D}$$
4
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 90 English
Consider the given reaction, the product 'X' is :
A
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 90 English Option 1
B
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 90 English Option 2
C
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 90 English Option 3
D
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 90 English Option 4
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