1
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The decreasing order of reactivity of the following compounds towards nucleophilic substitution (SN2) is : JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Haloalkanes and Haloarenes Question 114 English
A
(IV) > (II) > (III) > (I)
B
(II) > (III) > (IV) > (I)
C
(II) > (III) > (I) > (IV)
D
(III) > (II) > (IV) > (I)
2
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product in the following reaction is : JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Haloalkanes and Haloarenes Question 113 English
A
JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Haloalkanes and Haloarenes Question 113 English Option 1
B
JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Haloalkanes and Haloarenes Question 113 English Option 2
C
JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Haloalkanes and Haloarenes Question 113 English Option 3
D
JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Haloalkanes and Haloarenes Question 113 English Option 4
3
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
For the reaction
2A + 3B + $${3 \over 2}$$C $$ \to $$ 3P, which statement is correct ?
A
$${{d{n_A}} \over {dt}} = {{d{n_B}} \over {dt}} = {{d{n_C}} \over {dt}}$$
B
$${{d{n_A}} \over {dt}} = {2 \over 3}{{d{n_B}} \over {dt}} = {3 \over 4}{{d{n_C}} \over {dt}}$$
C
$${{d{n_A}} \over {dt}} = {3 \over 2}{{d{n_B}} \over {dt}} = {3 \over 4}{{d{n_C}} \over {dt}}$$
D
$${{d{n_A}} \over {dt}} = {2 \over 3}{{d{n_B}} \over {dt}} = {4 \over 3}{{d{n_C}} \over {dt}}$$
4
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The d-electron configuration of [Ru(en)3 ]Cl2
and [Fe(H2O)6]Cl2 , respectively are :
A
$$t_{2g}^4e_g^2$$ and $$t_{2g}^6e_g^0$$
B
$$t_{2g}^6e_g^0$$ and $$t_{2g}^6e_g^0$$
C
$$t_{2g}^6e_g^0$$ and $$t_{2g}^4e_g^2$$
D
$$t_{2g}^4e_g^2$$ and $$t_{2g}^4e_g^2$$
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