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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 […]

Q. 12 Which among the following has the least second ionization energy?(A) Al(B) Si(C) P(D) S Mg has the least second ionization energy among Al, Si, and P. Second ionization […]

Q.11 Consider a second order reaction,   2A ——–>ProductThe concentration of A is represented as [A].Which of the following is the CORRECT plot for determining the rate constant forthe above reaction? […]

Q.10 An ant walks in a straight line on a plane leaving behind a trace of itsmovement. The initial position of the ant is at point P facing east.The ant […]