Category: CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules

Category: CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules

Prepare effectively for the CSIR NET Life Science exam with Let’s Talk Academy’s expertly curated resources on Biochemistry Atoms & Molecules. Access a comprehensive collection of previous year questions on Biochemistry Atoms & Molecules, complete with detailed video and text solutions. Our expert faculty explains each question step-by-step, helping you understand the concepts behind Biochemistry Atoms & Molecules.

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Why is NaCl More Soluble in Water Than in Ethanol?

Why is NaCl More Soluble in Water Than in Ethanol?

Electronegativity, π-Orbitals, Aromaticity & Dielectric Constant

Electronegativity, π-Orbitals, Aromaticity & Dielectric Constant

The Effect of Radioactive Phosphorus on DNA Stability

The Effect of Radioactive Phosphorus on DNA Stability

Half-Life of Radioactive Materials

Half-Life of Radioactive Materials

Hybridization and bond strength order

Hybridization and Bond Strength in sp³, sp², and sp¹ Orbitals

Energy Released on Breaking the H-H Covalent Bond Understanding Bond Dissociation Energy The bond dissociation energy (BDE) refers to the energy required to break a covalent bond between two atoms in a molecule. It is an essential factor in determining the strength and stability of a bond. The stronger the bond, the higher the energy required to break it. H1: The Energy of the H-H Bond The H-H bond in molecular hydrogen (H₂) is one of the strongest single bonds due to its small atomic radius and high orbital overlap. The bond dissociation energy for H-H is approximately 432 kJ/mol (or 4.32 × 10⁵ J/mol). H2: Analyzing the Given Options The possible answers are: 4.32 × 10⁵ J/mol ✅ (Correct Answer) This matches the experimentally determined bond dissociation energy of H-H. 1 × 10⁻¹⁹ J/mol ❌ This value is extremely small and incorrect. 5 × 10⁻¹⁹ J/mol ❌ Incorrect, as it does not match known BDE values. 8 × 10¹⁹ J/mol ❌ This is an unrealistically high value. H3: Importance of Bond Energy in Chemical Reactions Bond dissociation energy plays a crucial role in chemical kinetics and thermodynamics. It determines the stability of molecules and influences reaction rates, activation energy, and overall energy changes in chemical reactions. For example: The combustion of hydrogen releases a significant amount of energy due to the strong H-H bonds breaking and forming stable H₂O molecules. The hydrogenation process in organic chemistry relies on breaking and forming hydrogen bonds to modify molecular structures. Suraj Sir: The God of Life Science Suraj Sir, the founder of Let's Talk Academy, is renowned as the God of Life Science for his exceptional teaching in CSIR NET Life Science. His expertise in chemical bonding, molecular interactions, and reaction mechanisms has helped numerous students achieve success. For expert coaching in chemistry, biology, and life sciences, visit Let's Talk Academy and learn directly from Suraj Sir. Stay connected for more insights into bond energy, molecular interactions, and competitive exam preparation!

Energy Released on Breaking the H-H Covalent Bond

Discover which covalent bond is the most difficult to break among C-O, C-P, C-N, and C-S.

What Determines Bond Strength in Covalent Compounds

Atomic interaction energy and bond types

Understanding Atomic Interaction Energy: Identifying Bond Types

Covalent bond formation electron sharing

Covalent Bond Formation: How Atoms Share Electrons

NaCl crystal structure coordination number

Crystal Structure of NaCl: Coordination Number and Ionic Arrangement

Isotones in Nuclear Science

Isotones in Nuclear Science

Isotopes: Hydrogen, Deuterium, Tritium, and Carbon-14 Decay

Isotopes: Hydrogen, Deuterium, Tritium, and Carbon-14 Decay

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