AIPMT 2011 Mains

100 Questions • 100 Minutes • 2011

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A projectile is fired at an angle of 45° with the horizontal. Elevation angle of the projectile at its highest point as seen from the point of projection is

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A coil has resistance 30 ohm and inductive reactance 20 ohm at 50 Hz frequency. If an ac source of 200 volt, 100 Hz is connected across the coil, the current in the coil will be

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The density of a material in CGS system of units is 4 g/cm³. In a system of units in which unit of length is 10 cm and unit of mass is 100 g, the value of density of material will be

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Which of the statements about "Denaturation" given below are correct? (a) Denaturation of proteins causes loss of secondary and tertiary structures of the protein (b) Denaturation leads to the conversion of double strand of DNA into single strand (c) Denaturation affects primary structure which gets distorted

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The IUPAC name of the compound ClC(CH₃)=C(I)CH₂CH₃, in which Cl and I lie on opposite sides of the double bond, is

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Which of the following compounds undergoes nucleophilic substitution reaction most easily?

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An organic compound 'A' on treatment with NH₃ gives 'B' which on heating gives 'C'. 'C' when treated with Br₂ in the presence of KOH produces ethylamine. Compound 'A' is

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Consider the following processes: (1/2)A → B; ΔH = +150 kJ/mol 3B → 2C + D; ΔH = −125 kJ/mol E + A → 2D; ΔH = +350 kJ/mol For B + D → E + 2C, ΔH will be

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A 0.1 molal aqueous solution of a weak acid is 30% ionized. If Kf for water is 1.86°C/m, the freezing point of the solution will be

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In qualitative analysis, the metals of group I can be separated from other ions by precipitating them as chloride salts. A solution initially contains Ag⁺ and Pb²⁺ at a concentration of 0.10 M. Aqueous HCl is added to this solution until the Cl⁻ concentration is 0.10 M. What will the concentrations of Ag⁺ and Pb²⁺ be at equilibrium? (Ksp for AgCl = 1.8 × 10⁻¹⁰, Ksp for PbCl₂ = 1.7 × 10⁻⁵)

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The unit of rate constant for a zero order reaction is

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200 mL of an aqueous solution of a protein contains 1.26 g of the protein. The osmotic pressure of this solution at 300 K is found to be 2.57 × 10⁻³ bar. The molar mass of protein will be (R = 0.083 L bar mol⁻¹ K⁻¹)

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The rate of the reaction 2N₂O₅ → 4NO₂ + O₂ can be written in three ways: −d[N₂O₅]/dt = k[N₂O₅] d[NO₂]/dt = k′[N₂O₅] d[O₂]/dt = k″[N₂O₅] The relationship between k and k′ and between k and k″ are

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The half life of a substance in a certain enzyme-catalysed reaction is 138 s. The time required for the concentration of the substance to fall from 1.28 mg L⁻¹ to 0.04 mg L⁻¹ is

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Which of the following complex compounds will exhibit highest paramagnetic behaviour? (At. No. Ti = 22, Cr = 24, Co = 27, Zn = 30)

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Which of the following is not a fat soluble vitamin?

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Match List-I with List-II for the composition of substances and select the correct answer using the code given below the lists. [table] List-I | List-II ; (A) Plaster of paris | (i) CaSO₄·2H₂O ; (B) Epsomite | (ii) CaSO₄·½H₂O ; (C) Kieserite | (iii) MgSO₄·7H₂O ; (D) Gypsum | (iv) MgSO₄·H₂O ; — | (v) CaSO₄ [/table]

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Which of the following compounds is most basic?

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Which of the following statements is incorrect?

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Which has the maximum number of molecules among the following?

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Paper Info

Exam: AIPMT Mains
Year: 2011
Questions: 100
Duration: 100 mins

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