1
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
In the following skew conformation of ethane, H'–C–C–H'' dihedral angle is : JEE Main 2019 (Online) 12th April Evening Slot Chemistry - Hydrocarbons Question 81 English
A
120o
B
58o
C
151o
D
149o
2
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Consider the following reactions :
JEE Main 2019 (Online) 12th April Evening Slot Chemistry - Hydrocarbons Question 80 English
'A' is :
A
$$CH \equiv CH$$
B
$$C{H_3} - C \equiv C - C{H_3}$$
C
$$C{H_3} - C \equiv CH$$
D
$$C{H_2} = C{H_2}$$
3
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
But-2-ene on reaction with alkaline KMnO4 at elevated temperature followed by acidification will give :
A
one molecule of CH3CHO and one molecule of CH3COOH
B
2 molecules of CH3COOH
C
JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Hydrocarbons Question 83 English Option 3
D
2 molecules of CH3CHO
4
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
The major product of the following addition reaction is :
H3C–CH=CH2 $$\buildrel {C{l_2}/{H_2}O} \over \longrightarrow $$
A
JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Hydrocarbons Question 82 English Option 1
B
JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Hydrocarbons Question 82 English Option 2
C
JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Hydrocarbons Question 82 English Option 3
D
JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Hydrocarbons Question 82 English Option 4
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