JEE Main 2021 (Online) 18th March Evening Shift | Redox Reactions Question 37 | Chemistry

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JEE Main 2021 (Online) 18th March Evening Shift

MCQ (Single Correct Answer)

-1

The oxidation states of nitrogen in NO, NO₂, N₂O and NO$$_3^ - $$ are in the order of :

N₂O > NO₂ > NO > NO$$_3^ - $$

NO > NO₂ > N₂O > NO$$_3^ - $$

NO₂ > NO$$_3^ - $$ > NO > N₂O

NO$$_3^ - $$ > NO₂ > NO > N₂O

JEE Main 2021 (Online) 16th March Evening Shift

MCQ (Single Correct Answer)

-1

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 :

Statement I is false but statement II is true

Both statement I and statement II are true

Statement I is true but statement II is false

Both statement I and statement II are false

JEE Main 2020 (Online) 2nd September Morning Slot

MCQ (Single Correct Answer)

-1

While titrating dilute HCl solution with aqueous NaOH, which of the following will not be required?

Pipette and distilled water

Clamp and phenolphthalein

Burette and porcelain tile

Bunsen burner and measuring cylinder

JEE Main 2020 (Online) 9th January Morning Slot

MCQ (Single Correct Answer)

-1

The compound that cannot act both as oxidising and reducing agent is :

H₃PO₄

H₂SO₃

H₂O₂

HNO₂

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