JEE Main 2020 (Online) 9th January Morning Slot | Haloalkanes and Haloarenes Question 120 | Chemistry

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 121 English

JEE Main 2020 (Online) 8th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 121 English

B $$>$$ D $$>$$ A $$>$$ C

D $$>$$ B $$>$$ C $$>$$ A

B $$>$$ A $$>$$ D $$>$$ C

B $$>$$ D $$>$$ C $$>$$ A

JEE Main 2020 (Online) 7th January Evening Slot

MCQ (Single Correct Answer)

-1

For the following reactions

JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Haloalkanes and Haloarenes Question 122 English

K_s and K_e, are respectively, the rate constants for substitution and elimination and $$\mu = {{{k_s}} \over {{k_e}}}$$ the correct options is

$${\mu _B} > {\mu _A}$$ and K_e(A) > K_e(B)

$${\mu _A} > {\mu _B}$$ and K_e(B) > K_e(A)

$${\mu _B} > {\mu _A}$$ and K_e(B) > K_e(A)

$${\mu _A} > {\mu _B}$$ and K_e(A) > K_e(B)

JEE Main 2020 (Online) 7th January Evening Slot

MCQ (Single Correct Answer)

-1

Consider the following reactions : JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Haloalkanes and Haloarenes Question 123 English 1

JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Haloalkanes and Haloarenes Question 123 English 2

JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Haloalkanes and Haloarenes Question 123 English 3

JEE Main 2020 (Online) 7th January Evening Slot Chemistry - Haloalkanes and Haloarenes Question 123 English 4

Which of these reactions are possible ?

(b), (c) and (d)

(a) and (b)

(a) and (d)

(b) and (d)

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