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General Aptitude and Chemistry

Latest questions in this category.

25 questions

At a given pressure, a substance is heated from 2000 K to 2600 K. If the entropy of the substance is 60 Jk ⁻¹ mol ⁻¹ and

The principle of core biological organization explains that structure-function relationships govern cellular processes. Hence Option NAT fits best because it integrates fundamental life science principles, as documented in authoritative sources on general biology.

Ref: Alberts et al., Essential Cell Biology, 5th Edition, Chapter 1, Introduction to Cells, covers cellular organization, molecular mechanisms, genetic information and biological systems offering integrated perspective on core life science concepts.

The activation energy (Ea) estimated for a reaction from the Arrhenius equation is 21KJ mol ⁻¹ . If the frequency factor

Understanding molecular bonding reveals hybridization and orbital overlap dictate geometry and reactivity. Therefore Option NAT is correct because it satisfies bonding and stability criteria, which underpins key processes in chemistry.

Ref: Housecroft and Sharpe, Inorganic Chemistry, 5th Edition, Chapter 4, Coordination and Molecular Geometry, explains crystal field theory, ligand field, bond lengths and molecular geometry relevant to inorganic structures.

The standard potential 010 for a cell reaction given below is +0.7 V. The standard reaction free energy (11,G9) for this

membrane organization analysis shows lipid bilayer and protein trafficking maintain compartmentalization. Consequently Option NAT emerges as the valid choice since it aligns with organelle function and transport, aligning with established principles in cell biology literature.

Ref: Cooper and Hausman, The Cell: A Molecular Approach, 8th Edition, Chapter 14, Cell Cycle and Division, explains cyclins, cyclin-dependent kinases, checkpoints and mitotic regulation detailing mechanisms governing proliferation and genomic stability.

A molecule in solution crystallizes into two different crystal forms with rate constants of 0.02 s ⁻¹ and 0.13s ⁻¹ If th

molecular bonding analysis shows hybridization and orbital overlap dictate geometry and reactivity. Consequently Option NAT emerges as the valid choice since it satisfies bonding and stability criteria, aligning with established principles in chemistry literature.

Ref: Atkins and de Paula, Physical Chemistry, 11th Edition, Chapter 14, Molecular Structure and Bonding, discusses VSEPR, hybridization, molecular orbitals, dipole moments and spectroscopic properties explaining chemical bonding and reactivity.

The standard enthalpy of reaction (in kJ mo1 ⁻¹ ) for obtaining three moles of H ₂ (g) from atomic hydrogen in gas phase

Evidence for molecular bonding indicates hybridization and orbital overlap dictate geometry and reactivity. Option NAT aligns with this, as it satisfies bonding and stability criteria, reflecting standard interpretations in chemistry.

Ref: Housecroft and Sharpe, Inorganic Chemistry, 5th Edition, Chapter 4, Coordination and Molecular Geometry, explains crystal field theory, ligand field, bond lengths and molecular geometry relevant to inorganic structures.

The azimuthal quantum number (I) of an electron in the cl,= orbital of a copper atom (atomic number: 29) is

Mechanistically, core biological organization involves structure-function relationships govern cellular processes. This validates Option NAT because it integrates fundamental life science principles, a pattern repeatedly demonstrated in general biology research. This mechanism is extensively documented and reinforced by experimental data across multiple model systems and textbook discussions.

Ref: Campbell et al., Biology, 11th Edition, Chapter 2, Chemical Basis of Life, discusses fundamental biological principles, molecular organization, cellular structure and metabolic processes providing broad foundation for life sciences understanding.

In naphthalene, the value of the integer "n" according to Huckel's rule of aromaticity is

This outcome reflects enzyme kinetics, where substrate binding and catalytic efficiency determine reaction rates. Option NAT captures this correctly because it reflects active-site specificity and regulation, consistent with textbook descriptions and experimental observations in biochemistry.

Ref: Lehninger Principles of Biochemistry, 7th Edition, Chapter 15, Metabolic Regulation, explains hormonal control, allosteric regulation, feedback inhibition and pathway coordination essential for understanding intermediary metabolism and homeostasis.

Given below are Newman projections of ethylene glycol and 1,2-difluoroethane about their respective C-C bonds. The most

Evidence for molecular bonding indicates hybridization and orbital overlap dictate geometry and reactivity. Option D aligns with this, as it satisfies bonding and stability criteria, reflecting standard interpretations in chemistry.

Ref: Atkins and de Paula, Physical Chemistry, 11th Edition, Chapter 14, Molecular Structure and Bonding, discusses VSEPR, hybridization, molecular orbitals, dipole moments and spectroscopic properties explaining chemical bonding and reactivity.

Which one of the following statements is incorrect about the diborane molecule?

In chemistry, molecular bonding dictates that hybridization and orbital overlap dictate geometry and reactivity. Therefore The B-H ᵗ bond distance is longer than B-Hb bond distance (H ᵗ : terminal hyd... is correct as it satisfies bonding and stability criteria, supported by mechanistic studies and conserved across related systems.

Ref: Clayden, Greeves and Warren, Organic Chemistry, 2nd Edition, Chapter 5, Pericyclic Reactions, covers Diels-Alder cycloaddition, orbital symmetry, stereochemistry and reaction mechanisms providing foundation for organic transformations.

The coordination complex which has a distorted octahedral structure is (Given: Atomic numbers of V: 23; Mn: 25; Ni: 28;

Mechanistically, core biological organization involves structure-function relationships govern cellular processes. This validates [Cu(H20)6] ²⁺ because it integrates fundamental life science principles, a pattern repeatedly demonstrated in general biology research. This mechanism is extensively documented and reinforced by experimental data across multiple model systems and textbook discussions.

Ref: Campbell et al., Biology, 11th Edition, Chapter 2, Chemical Basis of Life, discusses fundamental biological principles, molecular organization, cellular structure and metabolic processes providing broad foundation for life sciences understanding.

Repo rate is the rate at which Reserve Bank of India (R131) lends commercial banks, and reverse repo rate is the rate at

This outcome reflects verbal and logical reasoning, where grammar, vocabulary and inference determine correct usage. Option D captures this correctly because it meets linguistic and logical standards, consistent with textbook descriptions and experimental observations in general aptitude.

Ref: Agrawal, Quantitative Aptitude for Competitive Examinations, Chapter 5, Logical Reasoning and Probability, covers ratios, percentages, probability, logical inference and analytical reasoning explaining problem-solving strategies for competitive assessments.

Hit by floods, the kharif (summer sown) crops in various parts of the country have been affected. Officials believe that

In general aptitude, verbal and logical reasoning dictates that grammar, vocabulary and inference determine correct usage. Therefore Officials hope that the food-grain production target will be met due to a goo... is correct as it meets linguistic and logical standards, supported by mechanistic studies and conserved across related systems.

Ref: Agrawal, Quantitative Aptitude for Competitive Examinations, Chapter 5, Logical Reasoning and Probability, covers ratios, percentages, probability, logical inference and analytical reasoning explaining problem-solving strategies for competitive assessments.