1
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The incorrect statement is :
A
In manganate and permanganate ions, the p-bonding takes place by overlap of p-orbitals of oxygen and d-orbitals of manganese
B
Manganate ion is green in colour and permanganate ion in purple in colour
C
Manganate and permanganate ions are paramagnetic
D
Manganate and permanganate ions are tetrahedral
2
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The increasing order of the reactivity of the following compound in nucleophilic addition reaction is :

Propanal, Benzaldehyde, Propanone, Butanone
A
Butanone < Propanone < Benzaldehyde < Propanal
B
Benzaldehyde < Butanone < Propanone < Propanal
C
Propanal < Propanone < Butanone < Benzaldehyde
D
Benzaldehyde < Propanal < Propanone < Butanone
3
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)
4
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
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