1
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major products A and B for the following reactions are, respectively: JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Compounds Containing Nitrogen Question 184 English
A
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Compounds Containing Nitrogen Question 184 English Option 1
B
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Compounds Containing Nitrogen Question 184 English Option 2
C
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Compounds Containing Nitrogen Question 184 English Option 3
D
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Compounds Containing Nitrogen Question 184 English Option 4
2
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
During compression of a spring the work done is 10kJ and 2kJ escaped to the surroundings as heat. The change in internal energy, $$\Delta $$U(inkJ) is :
A
- 12
B
8
C
- 8
D
12
3
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Increasing order of reactivity of the following compounds for SN1 substitution is: JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Hydrocarbons Question 113 English
A
(A) < (B) < (D) < (C)
B
(B) < (C) < (D) < (A)
C
(B) < (A) < (D) < (C)
D
(B) < (C) < (A) < (D)
4
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
HF has highest boiling point among hydrogen halides, because it has :
A
lowest dissociation enthalpy
B
strongest hydrogen bonding
C
lowest ionic character
D
strongest van der Waals' interactions
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