List of top Chemistry Questions asked in JEE Main

Why does oxygen show anomalous behavior ?

Find out the final product C

Number of isomeric products formed by monochlorination Of \(2-methyl \) \(butane\) in presence of sunlight is

m–chlorobenzaldehyde on treatment with 50\(\%\) KOH solution yields

The ascending order of acidity of –OH group in the following compounds is: 

Choose the correct answer from the options given below :

What is the correct IUPAC name of the given compound?

The molecular formula of second homologue in the homologous series of monocarboxylic acid is

Which reagent on reacting with phenol gives salicylaldehyde?

Sugar which does not give reddish brown precipitate with Fehling‟s reagent is:

Identify 'A' in the following reaction :

Consider the given reaction, identify the major product P.

Identify compound (Z) in the following reaction sequence.

Identify the major products A and B respectively in the following set of reactions.

Identify the product (P) in the following reaction:

Consider the given chemical reaction sequence :

Total sum of oxygen atoms in Product A and Product B are .........

Which of the following compounds will give silver mirror with ammoniacal silver nitrate?
(A) Formic acid
(B) Formaldehyde
(C) Benzaldehyde
(D) Acetone
Choose the correct answer from the options given below :

$\textbf{Match List I with List II}$
$\begin{array}{|c|c|c|} \hline \text{List I (Bio Polymer)} & \text{List II (Monomer)} \\ \hline \text{A. Starch} & \text{I. nucleotide} \\ \text{B. Cellulose} & \text{II. } \alpha\text{-glucose} \\ \text{C. Nucleic acid} & \text{III. } \beta\text{-glucose} \\ \text{D. Protein} & \text{IV. } \alpha\text{-amino acid} \\ \hline \end{array}$
$\text{Choose the correct answer from the options given below :-}$

Total number of essential amino acid among the given list of amino acids is _______.
Arginine, Phenylalanine, Aspartic acid, Cysteine, Histidine, Valine, Proline

DNA molecule contains 4 bases whoes structure are shown below. One of the structure is not correct, identify the incorrect base structure.

The total number of carbon atoms present in tyrosine, an amino acid, is _______.

If one strand of a DNA has the sequence ATGCTTCA, sequence of the bases in complementary strand is:

Which of the following is the correct structure of L-Glucose ?

Match List I with List II
\(\begin{array}{|c|c|c|} \hline \text{LIST-I} & & \text{LIST-II} \\ \hline \text{A. Glucose/NaHCO}_3/\Delta & & \text{I. Gluconic acid} \\ \text{B. Glucose/HNO}_3 & & \text{II. No reaction} \\ \text{C. Glucose/HI/} \Delta & & \text{III. n-hexane} \\ \text{D. Glucose/Bromine water} & & \text{IV. Saccharic acid} \\ \hline \end{array}\)
Choose the correct answer from the options given below:

From the vitamins \( A, \, B_1, \, B_6, \, B_{12}, \, C, \, D, \, E, \, \text{and} \, K \), the number of vitamins that can be stored in our body is ______.

The total number of correct statements, regarding the nucleic acids is_________.
A. RNA is regarded as the reserve of genetic information.
B. DNA molecule self-duplicates during cell division.
C. DNA synthesizes proteins in the cell.
D. The message for the synthesis of particular proteins is present in DNA.
E. Identical DNA strands are transferred to daughter cells.