AIPMT 2006 Prelims

185 Questions • 185 Minutes • 2006

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Q61
[NH(CH₂)₆NHCO(CH₂)₄CO]ₙ is a :
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Q62
A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of α-hydroxy acid. The carbonyl compound is :
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Q63
Which one of the following is a peptide hormone ?
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Q64
The major organic product in the reaction, CH₃–O–CH(CH₃)₂ + HI → Product is :
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Q65
Nucleophilic addition reaction will be most favoured in :
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Q66
The enthalpy of combustion of H₂, cyclohexene (C₆H₁₀) and cyclohexane (C₆H₁₂) are −241, −3800 and −3920 kJ per mol respectively. Heat of hydrogenation of cyclohexene is :
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Q67
Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields :
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Q68
Consider the reaction N₂(g) + 3H₂(g) → 2NH₃(g). The equality relationship between d[NH₃]/dt and −d[H₂]/dt is :
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Q69
Which of the following is not chiral ?
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Q70
[Co(NH₃)₄(NO₂)₂]Cl exhibits :
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Q71
[Cr(H₂O)₆]Cl₃ (at. no. of Cr = 24) has a magnetic moment of 3.83 BM, the correct distribution of 3d electrons in the chromium of the complex is :
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Q72
1.00 g of a non-electrolyte solute (molar mass 250 g mol⁻¹) was dissolved in 51.2 g of benzene. If the freezing point depression constant, Kf of benzene is 5.12 K kg mol⁻¹, the freezing point of benzene will be lowered by :
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Q73
Which of the following pairs constitutes a buffer ?
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Q74
The hydrogen ion concentration of a 10⁻⁸ M HCl aqueous solution at 298 K (Kw = 10⁻¹⁴) is :
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Q75
A solution of acetone in ethanol :
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Q76
A hypothetical electrochemical cell is shown below A | A⁺ (xM) || B⁺ (yM) | B The emf measured is +0.20 V. The cell reaction is :
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Q77
Ethylene oxide when treated with Grignard reagent yields :
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Q78
Which of the following is more basic than aniline ?
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Q79
In which of the following molecules are all the bonds not equal ?
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Q80
The electronegativity difference between N and F is greater than that between N and H yet the dipole moment of NH₃ (1.5 D) is larger than that of NF₃ (0.2 D). This is because :
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Paper Info
  • Exam: AIPMT Prelims
  • Year: 2006
  • Questions: 185
  • Duration: 185 mins
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