1
JEE Main 2020 (Online) 2nd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the reaction sequence given below: JEE Main 2020 (Online) 2nd September Evening Slot Chemistry - Haloalkanes and Haloarenes Question 89 English
Which of the following statements is true?
A
Changing the concentration of base will have no effect on reaction (1)
B
Changing the concentration of base will have no effect on reaction (2)
C
Changing the base from OH- to -OR will have no effect on reaction (2)
D
Doubling the concentration of base will double the rate of both the reactions
2
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following compunds will show retention in configuration on nucleophilic substitution by OH ion?
A
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Haloalkanes and Haloarenes Question 90 English Option 1
B
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Haloalkanes and Haloarenes Question 90 English Option 2
C
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Haloalkanes and Haloarenes Question 90 English Option 3
D
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Haloalkanes and Haloarenes Question 90 English Option 4
3
JEE Main 2020 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following reactions will not produce a racemic product?
A
JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Haloalkanes and Haloarenes Question 91 English Option 1
B
JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Haloalkanes and Haloarenes Question 91 English Option 2
C
JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Haloalkanes and Haloarenes Question 91 English Option 3
D
JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Haloalkanes and Haloarenes Question 91 English Option 4
4
JEE Main 2020 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of these will produce the highest yield in Friedel Crafts reaction?
A
JEE Main 2020 (Online) 9th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 92 English Option 1
B
JEE Main 2020 (Online) 9th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 92 English Option 2
C
JEE Main 2020 (Online) 9th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 92 English Option 3
D
JEE Main 2020 (Online) 9th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 92 English Option 4
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