1
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 101 English Option 1
B
JEE Main 2020 (Online) 9th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 101 English Option 2
C
JEE Main 2020 (Online) 9th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 101 English Option 3
D
JEE Main 2020 (Online) 9th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 101 English Option 4
2
JEE Main 2020 (Online) 8th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The decreasing order of reactivity towards dehydrohalogenation (E1) reaction of the following compounds is : JEE Main 2020 (Online) 8th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 102 English
A
B $$>$$ D $$>$$ A $$>$$ C
B
D $$>$$ B $$>$$ C $$>$$ A
C
B $$>$$ A $$>$$ D $$>$$ C
D
B $$>$$ D $$>$$ C $$>$$ A
3
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the following reactions : JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Haloalkanes and Haloarenes Question 104 English 1 JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Haloalkanes and Haloarenes Question 104 English 2 JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Haloalkanes and Haloarenes Question 104 English 3 JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Haloalkanes and Haloarenes Question 104 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)
4
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
For the following reactions

JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Haloalkanes and Haloarenes Question 103 English
Ks and Ke, are respectively, the rate constants for substitution and elimination and $$\mu = {{{k_s}} \over {{k_e}}}$$ the correct options is
A
$${\mu _B} > {\mu _A}$$ and Ke(A) > Ke(B)
B
$${\mu _A} > {\mu _B}$$ and Ke(B) > Ke(A)
C
$${\mu _B} > {\mu _A}$$ and Ke(B) > Ke(A)
D
$${\mu _A} > {\mu _B}$$ and Ke(A) > Ke(B)
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