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12 grade chemistry others

How to remove Nitro Group from nitrobenzene ring?

Aniket Singh

1 Year agoGrade

1 Answer

Askiitians Tutor Team

Approved Tutor Answer1 Year ago

Removing a nitro group from a nitrobenzene ring can be achieved through several methods, with reduction being the most common approach. Here’s a breakdown of the process:

Reduction Methods

Reduction involves converting the nitro group (-NO2) into an amino group (-NH2) or other functional groups. Here are some effective methods:

Catalytic Hydrogenation: This method uses hydrogen gas in the presence of a catalyst like palladium or platinum. Under high pressure, the nitro group is reduced to an amine.
Iron and Acid: Mixing nitrobenzene with iron filings and hydrochloric acid can also reduce the nitro group to an amine. The iron acts as a reducing agent.
Sn/HCl Reduction: Tin (Sn) in hydrochloric acid can effectively reduce nitrobenzene to an amine as well.

Considerations

When performing these reactions, it’s essential to control the conditions carefully to avoid over-reduction or side reactions. Always conduct reactions in a well-ventilated area and follow safety protocols.

Final Thoughts

By using these reduction techniques, you can successfully remove the nitro group from nitrobenzene, transforming it into a more reactive amine compound.

is Pradeep Chemistry+Ncert sufficient for all of the theory of Jee Mains Chemistry?

Hi, I’m a self-study JEE 2027 aspirant with a large 11th backlog. Since I don’t think 6–8 hour one-shots are sufficient to cover the full theory + breadth of problem types of a JEE chapter, I’ve shifted from lecture-based preparation to book-based self-study.

I have a problem with using NCERT as my primary chemistry source. In my experience, it is concise and information-heavy, but often lacks detailed explanations, systematic organisation of concepts, and categorisation of problem types. This seems especially problematic for Physical and Organic Chemistry, where I feel that simply reading NCERT may not give enough depth or problem-solving preparation.

So I’m considering this approach:

Pradeep Chemistry → complete the chapter thoroughly from Pradeep → then read NCERT for that chapter → solve JEE Main PYQs/problems.

My main question is:

Is Pradeep + NCERT sufficient as the complete theory source for JEE Main-level Chemistry?

In other words, after thoroughly completing a chapter from Pradeep and then NCERT, can I consider the theory part of that chapter complete for JEE Main, with only PYQs/problem practice remaining?

I’m asking specifically about JEE Main level, not Advanced.

Also, if Pradeep is not sufficient, what specific gap does it leave, and what would you recommend as a better book-based alternative for self-study?

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