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Q.22 Consider the following enzyme catalyzed reaction:where E is enzyme, S is substrate, ES is enzyme-substrate complex and P isproduct.The CORRECT statement(s) for the above reaction is/are(A) Maximum possible rate […]

Q.21 Consider the following reaction:The CORRECT statement(s) related to mono-chlorination at carbon-2 positionis/are(A) The reaction proceeds through alkyl radical intermediate(B) Complete inversion of configuration at carbon-2 takes place(C) Complete retention […]

Q20 Among the following statements about cobalt complexes, which are CORRECT? Given: Atomic number of Co is 27 (A) [Co(NH₃)₄]²⁺ exhibits square planar geometry (B) [Co(en)₂]³⁺ does not show optical […]

Q19 A sample of benzene, contaminated with a non-volatile and non-ionic solute, boils at 0.31°C higher than that of pure benzene. The molality of the contaminated solution is _____ (round […]

Q18 Molar conductance of monobromoacetic acid at infinite dilution is calculated as x × 10-4 S m2 mol-1 at 25°C. The value of x (round off to the nearest integer) […]

Q.17 The CORRECT order of basicity for the following compounds is(A) I > II > III(B) II > III > I(C) II > I > III(D) III > I > […]

Q.16 The bases present in DNA are(A) adenine, cytosine, guanine and thymine(B) adenine, guanine, thymine and uracil(C) adenine, cytosine, thymine and uracil(D) cytosine, guanine, thymine and uracil The correct answer […]

Q.15 Which of the following is the CORRECT statement about hexoses?(A) D-mannose is C- 4 epimer of D-glucose(B) D-galactose is C- 2 epimer of D-glucose(C) D-glucose and L-glucose are diastereomers(D) […]

Q.14 Among the following, the one having smallest bond angle is(A) PH3(B) PF3(C) NF3(D) NH3 PH3 has the smallest bond angle among PH3, PF3, NF3, and NH3. All four molecules share […]

Q.13 Which among the following metal ions has the highest enthalpy of hydration?(Assume the given metal ions have the same counter ion.)Given: Atomic numbers of Ti, V, Cr and Mn […]