Practice questions
90156 published questions with worked solutions.
- Match the LIST-I with LIST-II. List-I (Orbital): A. 2s, B. 3s, C. 3p, D. 4d. List-II (Radial nodes and nodal plane): I. 1 Radial...
- The pairs among A=[SO₃²⁻, CO₃²⁻], B=[O₂²⁻, F₂], C=[CN⁻, CO], D=[NH₃, H₃O⁺] and E=[MnO₄²⁻, CrO₄²⁻] that do not have similar Lewis...
- When 0.25 moles of a non-volatile, non-ionizable solute was dissolved in 1 mole of a solvent the vapor pressure of solution was...
- One mole each of He and A(g) are taken in a 10 L closed flask and heated to 400 K to establish the following equilibrium....
- Consider the following data. | Electrolyte | Λ°m (S cm² mol⁻¹) | |---|---| | BaCl₂ | x₁ | | H₂SO₄ | x₂ | | HCl | x₃ | BaSO₄ is...
- Given below are two statements: Statement I: Aluminium is more electropositive than thallium as the standard electrode potential...
- The correct statements among the following are. A. Basic vanadium oxide is used in the manufacture of H₂SO₄. B. The spin-only...
- Match the LIST-I with LIST-II. List-I (Electronic configuration of tetrahedral metal ion): A. d², B. d⁴, C. d⁶, D. d⁸. List-II...
- R_f value for 2-methylpropene in a solvent system (Ethyl acetate + ether) is 0.42. 2-methylpropene is treated with dilute H₂SO₄...
- Given below are two statements: Statement I: 2,6-diethylcyclohexanone and 6-methyl-2-n-propylcyclohexanone are metamers....
- Given below are two statements: Statement I: Methane can be prepared by decarboxylation of sodium ethanoate, Kolbe's electrolysis...
- Given below are two statements: Statement I: 3-phenylpropene reacts with HBr and gives secondary alkyl bromide having a chiral...
- Arrange the following compounds according to increasing order of boiling points. n-C₄H₉OH (A), n-C₄H₉NH₂ (B), n-C₄H₁₀ (C) and...
- Match the LIST-I with LIST-II. List-I (Deficiency Disease): A. Scurvy, B. Convulsions, C. Cheilosis, D. Xerophthalmia. List-II...
- Match the LIST-I with LIST-II. List-I (Amino acid): A. Glutamine, B. Lysine, C. Tyrosine, D. Serine. List-II (Positive...
- First and second ionization enthalpies of lithium are 520 kJ mol⁻¹ and 7297 kJ mol⁻¹ respectively. Energy required to convert 3.5...
- Consider the following sequence of reactions: diazoaminobenzene (Ph−N=N−NH−Ph) (i) HCl (ii) Aniline (in excess) (iii) Warm...
- 4.7 g of phenol is heated with Zn to give product X. If this reaction goes to 60% completion then the number of moles of compound...
- Sucrose hydrolyses in acidic medium into glucose and fructose by first order rate law with t₁/₂=3 hour. The percentage of sucrose...
- Consider the reaction X⇌Y at 300 K. If ΔH° and K are 28.40 kJ mol⁻¹ and 1.8×10⁻⁷ at the same temperature, then the magnitude of...