Hello ashutoash,

The best way to prepare organic chemistry is to practise more and more reactions. Just make a list of named reactions, preparations and other important reactions. Try learning it everyday, after that practise by writing them, and then solve previous year questions. Practise preparations and remember important points. For the theoritical part the only way is to learn again and again. Download the official syllabus of JEE main and learn only the specific topics. You may omit some topics that have low weightage or have'nt been asked in previous 10 years.

Hope this helps

Regards

Hello,

The criteria is not fixed, however, organic chemistry being a simple and low calculation topic, direct question such as naming of reactions, preparation, IUPAC nomenclature, tests, etc. are asked. Around 40% of chemistry is organic chemistry. There is no fixed topic wise marks, it happens that 2-3 questions are asked from IUPAC nomenclature, whereas none from ethers and acids.

In general Alkyl halides, Ketones, Carboxylic acids and ethers are important topics.

For topic wise marks weightage in JEE main 2020, please refer the below mentioned article:

https://engineering.careers360.com/articles/jee-main-syllabus-weightage

Hope this Helps

Hi Candidate,

Before proceeding to the Question, let us know about Isomerism- Chemical compounds that have identical chemical formulae but differ in properties and the arrangement of atoms in the molecule are called isomers and the phenomenon is called Isomerism.

Benzyl cyclohexane sulphonate and cyclohexenyl benzene sulphonate are examples of Functional Isomers as these isomers have the molecular formula remains the same, but the type of functional group in the atom is changed.

Hope that this answer helps you.

Dear aspirant,

In chemistry they always try to maintain an equal number of questions in each o the 3 sections. Let it be organic, inorganic or physically chemistry; an almost equal number of questions will come from these two.

But you can say for sure that all inorganic questions will be directly or indirectly a part of you NCERT books. That's the best thing about inorganic part, if you have studied them well you can get all answers correct there.

Hope this helps and all the best!

hello jonardhan..,

as you know that, nucleophilicity depends on many factors, including charge, basicity, solvent, polarizability, and the nature of the substituents. Nucleophiles can be neutral or negatively charged. For example, the O in OH - is negatively charged, but the O in H 2 O is neutral.  also a nucleophile containing a negatively charged reactive atom is better than a nucleophile containing a reactive atom that is neutral. while moving across a row in the periodic table, the nucleophilicity follows basicity.

the the decreasing order of nucleophilicity follows the order

-CH3>-NH2>-OH>-F

Hope this information was useful to you.

all the best