1
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
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The strengths of 5.6 volume hydrogen peroxide (of density 1 g/mL) in terms of mass percentage and molarity (M), respectively, are: (Take molar mass of hydrogen peroxide as 34 g/mol)
A
0.85 and 0.5
B
0.85 and 0.25
C
1.7 and 0.25
D
1.7 and 0.5
2
JEE Main 2020 (Online) 3rd September Evening Slot
Numerical
+4
-0
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The number of JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Biomolecules Question 145 English groups present in a tripeptide Asp–Glu–Lys is ____.
Your input ____
3
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
4
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 131 English
A
(IV) > (II) > (III) > (I)
B
(II) > (III) > (IV) > (I)
C
(II) > (III) > (I) > (IV)
D
(III) > (II) > (IV) > (I)

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