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1
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Consider the following reactions : JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Hydrocarbons Question 92 English 1 JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Hydrocarbons Question 92 English 2 JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Hydrocarbons Question 92 English 3 JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Hydrocarbons Question 92 English 4
Which of these reactions are possible ?
A
(b), (c) and (d)
B
(a) and (b)
C
(a) and (d)
D
(b) and (d)
2
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
In the following reactions sequence, structure of A and B respectively will be :
JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Hydrocarbons Question 91 English
A
JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Hydrocarbons Question 91 English Option 1
B
JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Hydrocarbons Question 91 English Option 2
C
JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Hydrocarbons Question 91 English Option 3
D
JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Hydrocarbons Question 91 English Option 4
3
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 94 English
A
120o
B
58o
C
151o
D
149o
4
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 93 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
$$C{H_2} = C{H_2}$$
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