1
JEE Main 2021 (Online) 16th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Statement I : Sodium hydride can be used as an oxidising agent.

Statement II : The lone pair of electrons on nitrogen in pyridine makes it basic.

Choose the CORRECT answer from the options given below :
A
Statement I is false but statement II is true
B
Both statement I and statement II are true
C
Statement I is true but statement II is false
D
Both statement I and statement II are false
2
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
While titrating dilute HCl solution with aqueous NaOH, which of the following will not be required?
A
Pipette and distilled water
B
Clamp and phenolphthalein
C
Burette and porcelain tile
D
Bunsen burner and measuring cylinder
3
JEE Main 2020 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The compound that cannot act both as oxidising and reducing agent is :
A
H3PO4
B
H2SO3
C
H2O2
D
HNO2
4
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The redox reaction among the following is :
A
reaction of H2SO4 with NaOH.
B
formation of ozone form atmosphere oxygen in the presence of sunlight.
C
combination of dinitrogen with dioxygen at 2000 K
D
reaction of [Co(H2O)6]Cl3 With AgNO3
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