Chemical Bonding and Molecular Structure Weightage in JEE Mains 2025

Chemical Bonding and Molecular Structure Weightage in JEE Mains 2025: Candidates who are preparing for the JEE Main 2025 exam must go through the chapter Chemical Bonding & Molecular Structure, as it is one of the easiest chapters. Chemical Bonding and Molecular Structure Weightage in JEE Mains 2025 is 6 to 7 per cent in the exam. Almost every year in the JEE Main exam, 2 to 3 questions about Chemical Bonding and Molecular Structure are asked. Check the complete details of the Chemical Bonding & Molecular Structure chapter weightage, topic-wise syllabus, and more.

The JEE Main 2025 exam is scheduled to be conducted from January 22 to 31, 2025 for Session 1, and Session 2 is scheduled for April 1 to 8, 2025. On the other hand, the NTA JEE Main 2025 city intimation slip will be released in the second week of January 2025.

Also Read: JEE Main Previous Year Question Paper

Expected Chemical Bonding and Molecular Structure Weightage in JEE Mains 2025

The chapter Chemical Bonding and Molecular Structure holds 6% to 7% marks. According to the previous year's trends of the JEE Main exam, the question papers had 8—to 10-mark questions on Chemical Bonding from the JEE Main Chemistry Syllabus 2025 . Check the chapter-wise weightage of chemistry in the table below:

Also Check: JEE Main Subject Wise Syllabus 2025

Chemical Bonding & Molecular Structure: Previously Asked Questions in JEE Main Exam

Candidates who are preparing for the JEE Main 2025 and revising the chapter, Chemical Bonding and Molecular Structure, must check the previously asked questions from the chapter in the JEE Mains exam. Check the questions below:

Q: The correct increasing order for bond angles among  BF3, PF3, and ClF3 is:

A) BF3 = PF3 < ClF3

B) BF3 < PF3 < ClF3

C) ClF3 < PF3 < BF3

D) PF3 < BF3 < ClF3 Apil 9, 2024

Q: In which one of the following pairs the central atoms exhibit sp2 hybridisation?

A) BF3 and NO2−

B) NH2− and BF3

C) NH2− and H2O

D) H2O and NO2 April 9, 2024

Q: The shape of the carbocation is:

A) tetrahedral

B) diagonal pyramidal

C) diagonal

D) trigonal planar April 8, 2024

Q: Match List I with List II

Choose the correct answer from the options given below:

1. A-III, B-II, C-IV, D-I
2. A-III, B-IV, C-II, D-I
3. A-II, B-IV, C-III, D-I
4. A-II, B-III, C-I, D-IV April 6, 2024

Q: Match List I with List II.

Choose the correct answer from the options given below:

A

(A)-(I), (B)-(IV), (C)-(III), (D)-(II)

B

(A)-(IV), (B)-(I), (C)-(II), (D)-(III)

C

(A)-(I), (B)-(III), (C)-(II), (D)-(IV)

D

(A)-(IV), (B)-(III), (C)-(II), (D)-(I) April 6, 2024

Q: Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) labelled: NH3 and NF3 molecules have pyramidal shape with a lone pair of electrons on the nitrogen atom. The resultant dipole moment of NH3 is greater than that of NF3.

Reason (R): In NH3, the orbital dipole due to lone pair is in the same direction as the resultant dipole moment of the N−Hbonds. F is the most electronegative element.
In the light of the above statements, choose the correct answer from the options given below:

A) (A) is false but (R) is true

B) (A) is true but (R) is false

C) Both (A) and (R) are true but (R) is NOT the correct explanation of (A)

D) Both (A) and (R) are true and (R) is the correct explanation of (A) April 6, 2024

Q: The linear combination of atomic orbitals to form molecular orbitals takes place only when the combining atomic orbitals

A. have the same energy

B. have the minimum overlap

C. has the same symmetry about the molecular axis

D. have different symmetry about the molecular axis

Choose the most appropriate from the options given below:

1. B, C, D only
2. A, B, C only
3. B and D only
4. A and C only January 31, 2024

Q: Which of the following is least ionic?

A) CoCl2

B) KCl

C) BaCl2

D) AgCl January 31, 2024

Q: Statement I: SO2 and H2O both possess a V-shaped structure.

Statement II: The bond angle of SO2 is less than that of H2O.

In the light of the above statements, choose the most appropriate answer from the options given below:

A) Both Statement I and Statement II are incorrect

B) Both Statement I and Statement II are correct

C) Statement I is correct but Statement II is incorrect

D) Statement I is incorrect but Statement II is correct January 31, 2024

Important Topics of Chemical Bonding & Molecular Structure

Candidates appearing for the JEE Main 2025 must go through the important topics for Chemical Bonding & Molecular Structure to get a hold of the chapter and secure maximum marks in the exam:

• Kossel-Lew's Approach to Chemical Bonding
• Octet Rule
• Covalent Bond
• Formal Charge
• Ionic Bond or Electrovalent
• Enthalpy
• Valence Bond Theory
• Hybridisation

JEE Main Exam Pattern 2025

Candidates are advised to check the JEE Main exam pattern 2025 along with the Chemical Bonding and Molecular Structure weightage to understand the exam better. Check the JEE Main 2025 exam pattern below:

• The exam will be conducted for three subjects: Physics, Chemistry and Mathematics
• Each subject will be divided into two sections: Section A and Section B
• Section A will comprise 20 MCQs (Multiple Choice Questions)
• Section B will comprise 5 NVQs (Numerical Value Questions)
• Each question will hold a total of +4 marks for correct answers and -1 mark for incorrect answers
• The JEE Main exam will be conducted for a total of 300 marks and 3 hours (180 minutes)

JEE Main Chemistry Syllabus 2025

Candidates must check the JEE Main Chemistry syllabus to get the right preparation strategy along with the weightage of the topics. Check the JEE Main Chemistry syllabus 2025 below

Related Articles

We have provided the complete details of the Chemical Bonding & Molecular Structure Weightage, like the number of questions, previous year's questions, important topics, and more, in the article and hope that candidates benefit from the article. Stay tuned to CollegeDekho for the latest updates related to the JEE Main syllabus 2025 . All the best for your upcoming JEE Main 2025 exam.