AIPMT 2010 Prelims

177 Questions • 177 Minutes • 2010

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Q61
In which of the following pairs of molecules/ions, the central atoms have sp² hybridization?
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Q62
The correct order of the decreasing ionic radii among the following isoelectronic species is
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Q63
The number of atoms in 0.1 mol of a triatomic gas is (NA = 6.02 × 10²³ mol⁻¹)
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Q64
Which of the following alkaline earth metal sulphates has hydration enthalpy higher than the lattice enthalpy?
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Q65
The existence of two different coloured complexes with the composition of [Co(NH₃)₄Cl₂]⁺ is due to
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Q66
Oxidation states of P in H₄P₂O₅, H₄P₂O₆, H₄P₂O₇, are respectively
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Q67
The tendency of BF₃, BCl₃ and BBr₃ to behave as Lewis acid decreases in the sequence
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Q68
Which of the following represents the correct order of increasing electron gain enthalpy with negative sign for the elements O, S, F and Cl?
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Q69
Crystal field stabilization energy for high spin d⁴ octahedral complex is
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Q70
In which one of the following species the central atom has the type of hybridisation which is not the same as that present in the other three?
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Q71
Which of the following molecular hydrides acts as a Lewis acid?
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Q72
Aniline in a set of the following reactions yielded a coloured product Y: C₆H₅NH₂ —(NaNO₂/HCl, 273–278 K)→ X —(N,N-dimethylaniline)→ Y The structure of Y would be
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Q73
The reaction of toluene with Cl₂ in presence of FeCl₃ gives X and reaction in presence of light gives Y. Thus, X and Y are
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Q74
Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by
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Q75
Which of the following is employed as a tranquilizer drug?
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Q76
Which one of the following does not exhibit the phenomenon of mutarotation?
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Q77
Which of the following structures represents Neoprene polymer?
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Q78
In a set of reactions, ethyl benzene yielded a product D: C₆H₅CH₂CH₃ —(KMnO₄, KOH)→ B —(Br₂, FeCl₃)→ C —(C₂H₅OH, H⁺)→ D 'D' would be
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Q79
Which is most reactive towards SN1 reaction?
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Q80
Which one of the following compounds has the most acidic nature?
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Paper Info
  • Exam: AIPMT Prelims
  • Year: 2010
  • Questions: 177
  • Duration: 177 mins
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