1
JEE Main 2020 (Online) 4th September Morning Slot
Numerical
+4
-0
A 20.0 mL solution containing 0.2 g impure
H2O2 reacts completely with 0.316 g of KMnO4
in acid solution. The purity of H2O2 (in %) is
_____________
(mol. wt. of H2O2 = 34; mol. wt. of KMnO4 = 158)
(mol. wt. of H2O2 = 34; mol. wt. of KMnO4 = 158)
Your input ____
2
JEE Main 2020 (Online) 4th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
The number of isomers possible for
[Pt(en)(NO2)2] is :
[Pt(en)(NO2)2] is :
3
JEE Main 2020 (Online) 4th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
The decreasing order of reactivity of the
following organic molecules towards AgNO3
solution is :
4
JEE Main 2020 (Online) 4th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
The elements with atomic numbers 101 and 104
belong to, respectively :
Paper Analysis
Total Questions
Chemistry 21
Mathematics 18
Physics 23
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