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12 grade chemistry others

Distinguish between following:Benzaldehyde and benzoic acid

Aniket Singh

1 Year agoGrade

1 Answer

Askiitians Tutor Team

1 Year ago

Benzaldehyde and benzoic acid are both organic compounds containing a benzene ring, but they have distinct chemical structures and properties. Here's a brief distinction between the two:

Benzaldehyde:

Chemical Structure: Benzaldehyde has the chemical formula C6H5CHO. It consists of a benzene ring with an attached aldehyde group (CHO) at one end.
Functional Group: The functional group in benzaldehyde is the aldehyde group (CHO).
Odor: Benzaldehyde has a characteristic almond-like odor.
State: It is a colorless liquid at room temperature.
Solubility: Benzaldehyde is soluble in organic solvents but only slightly soluble in water.
Usage: It is widely used in the fragrance and flavor industry, as well as in the synthesis of various organic compounds.
Benzoic Acid:

Chemical Structure: Benzoic acid has the chemical formula C6H5COOH. It consists of a benzene ring with an attached carboxylic acid group (COOH) at one end.
Functional Group: The functional group in benzoic acid is the carboxylic acid group (COOH).
Odor: Benzoic acid does not have a distinctive odor.
State: It is a white crystalline solid at room temperature.
Solubility: Benzoic acid is sparingly soluble in water but highly soluble in organic solvents.
Usage: Benzoic acid is commonly used as a food preservative (E210) to inhibit the growth of bacteria, yeast, and molds. It is also utilized in the production of various chemicals and pharmaceuticals.
In summary, the main difference lies in their functional groups and physical properties. Benzaldehyde has an aldehyde group and is a liquid with an almond-like odor, while benzoic acid has a carboxylic acid group and is a solid without any significant odor.

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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