AIPMT 2010 Prelims

177 Questions • 177 Minutes • 2010

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Q41
The device that can act as a complete electronic circuit is
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Q42
Which of the following statements is false?
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Q43
An increase in equivalent conductance of a strong electrolyte with dilution is mainly due to
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Q44
25.3 g of sodium carbonate, Na₂CO₃ is dissolved in enough water to make 250 mL of solution. If sodium carbonate dissociates completely, molar concentration of sodium ion, Na⁺ and carbonate ions, CO₃²⁻ are respectively (Molar mass of Na₂CO₃ = 106 g mol⁻¹)
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Q45
Property of the alkaline earth metals that increases with their atomic number
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Q46
Which of the following pairs has the same size?
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Q47
In a buffer solution containing equal concentration of B⁻ and HB, the Kb for B⁻ is 10⁻¹⁰. The pH of buffer solution is
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Q48
An aqueous solution is 1.00 molal in KI. Which change will cause the vapour pressure of the solution to increase?
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Q49
What is [H⁺] in mol/L of a solution that is 0.20 M in CH₃COONa and 0.10 M in CH₃COOH? Ka for CH₃COOH = 1.8 × 10⁻⁵.
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Q50
For the reaction N₂O₅(g) → 2NO₂(g) + (1/2)O₂(g) the value of rate of disappearance of N₂O₅ is given as 6.25 × 10⁻³ mol L⁻¹ s⁻¹. The rate of formation of NO₂ and O₂ is given respectively as:
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Q51
Standard entropies of X₂, Y₂ and XY₃ are 60, 40 and 50 J K⁻¹ mol⁻¹ respectively. For the reaction (1/2)X₂ + (3/2)Y₂ ⇌ XY₃, ΔH = −30 kJ to be at equilibrium, the temperature should be
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Q52
During the kinetic study of the reaction 2A + B → C + D, following results were obtained: Run I: [A] = 0.1, [B] = 0.1, rate = 6.0 × 10⁻³ Run II: [A] = 0.3, [B] = 0.2, rate = 7.2 × 10⁻² Run III: [A] = 0.3, [B] = 0.4, rate = 2.88 × 10⁻¹ Run IV: [A] = 0.4, [B] = 0.1, rate = 2.40 × 10⁻² ([A], [B] in mol L⁻¹; initial rate of formation of D in mol L⁻¹ min⁻¹) Based on the above data which one of the following is correct?
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Q53
For the reduction of silver ions with copper metal, the standard cell potential was found to be +0.46 V at 25°C. The value of standard Gibbs energy, ΔG° will be (F = 96500 C mol⁻¹)
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Q54
Which one of the following species does not exist under normal conditions?
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Q55
AB crystallizes in a body centred cubic lattice with edge length 'a' equal to 387 pm. The distance between two oppositely charged ions in the lattice is
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Q56
Which one of the following ions has electronic configuration [Ar]3d⁶? (At. nos. Mn = 25, Fe = 26, Co = 27, Ni = 28)
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Q57
In which of the following equilibrium Kc and Kp are not equal?
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Q58
If pH of a saturated solution of Ba(OH)₂ is 12, the value of its Ksp is
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Q59
Which of the following ions will exhibit colour in aqueous solutions?
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Q60
Which one of the following compounds is a peroxide?
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Paper Info
  • Exam: AIPMT Prelims
  • Year: 2010
  • Questions: 177
  • Duration: 177 mins
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