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Q.21 The major product formed in the following reaction is (ignore product stereochemistry) Question Overview The given substrate contains: A cyclohexene ring (alkene) A carboxylic acid side chain The reaction […]

Q. 20 Ferrous sulfate on reaction with potassium hexacyanochromate(III) produces a brick red complex. The number of unpaired electrons on Fe in the red complex is ____ . Question Restatement […]

Q. 19 The correct statement is (A) TlBr3 is less soluble in water than TlBr (B) Ag2 S is more soluble in water than Ag2O (C) LiF is less stable […]

Q. 18 The crystal field stabilization energy (excluding pairing energy, if any) of [𝐂𝐨𝐂𝐥𝟒]𝟐− in 𝚫𝐨 units is ____ . Crystal Field Stabilization Energy of [CoCl4]2− The crystal field stabilization […]

Q.17 Given: The potential energy of two electrons separated by the Bohr radius is 27.211 eV. The first Bohr radius of hydrogen is 0.5292 Å. The electron makes an orbit […]

Q.16 The correct comparison of pKa’s of [Fe(H2O)6]2+, [Fe(H2O)6]3+, V2O5 and N2O5 is: (A) [Fe(H2O)6]3+ < [Fe(H2O)6]2+ and V2O5 < N2O5 (B) [Fe(H2O)6]3+ < [Fe(H2O)6]2+ and V2O5 = N2O5 (C) […]

Q.15 Combinations of a process and equation are given below. The INCORRECT combination is (A) Constant pressure heating with no phase change; w = − ∫12 P dV (B) Reversible […]

Q.14 For an enzyme catalyzed reaction, the plot that correctly represents the relationship between the rate and temperature is Effect of Temperature on Enzyme-Catalyzed Reactions Enzymes are biological catalysts whose […]

Q.13 ‘A harmful substance persists in the environment for a very long period of time’. The UNACCEPTABLE statement for this fact is (A) the substance degrades by second-order kinetics (B) […]

Q.12 The total number of chair conformations possible for 1,2-dimethylcyclohexane is _____. The correct answer is: the total number of chair conformations possible for 1,2-dimethylcyclohexane (considering both cis and trans, […]