1
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product in the following reaction is : JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Hydrocarbons Question 72 English
A
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Hydrocarbons Question 72 English Option 1
B
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Hydrocarbons Question 72 English Option 2
C
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Hydrocarbons Question 72 English Option 3
D
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Hydrocarbons Question 72 English Option 4
2
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The figure that is not a direct manifestation of the quantum nature of atoms is :
A
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Structure of Atom Question 100 English Option 1
B
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Structure of Atom Question 100 English Option 2
C
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Structure of Atom Question 100 English Option 3
D
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Structure of Atom Question 100 English Option 4
3
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
For the following Assertion and Reason, the correct option is

Assertion (A): When Cu (II) and sulphide ions are mixed, they react together extremely quickly to give a solid.

Reason (R): The equilibrium constant of
Cu2+(aq) + S2–(aq) ⇌ CuS(s) is high because the solubility product is low.
A
(A) is false and (R) is true.
B
Both (A) and (R) are true but (R) is not the explanation for (A).
C
Both (A) and (R) are true and (R) is the explanation for (A).
D
Both (A) and (R) are false.
4
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
An open beaker of water in equilibrium with water vapour is in a sealed container. When a few grams of glucose are added to the beaker of water, the rate at which water molecules :
A
leaves the solution increases
B
leaves the vapour increases
C
leaves the vapour decreases
D
leaves the solution decreases
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