AIPMT 2008 Prelims

180 Questions • 180 Minutes • 2008

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Q61
The correct order of decreasing second ionisation enthalpy of Ti (22), V (23), Cr (24) and Mn (25) is
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Q62
How many moles of lead (II) chloride will be formed from a reaction between 6.5 g of PbO and 3.2 g of HCl?
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Q63
Volume occupied by one molecule of water (density = 1 g cm⁻³) is
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Q64
Number of moles of MnO₄⁻ required to oxidize one mole of ferrous oxalate completely in acidic medium will be
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Q65
On the basis of the following E° values, the strongest oxidizing agent is [Fe(CN)₆]⁴⁻ → [Fe(CN)₆]³⁻ + e⁻; E° = −0.35 V Fe²⁺ → Fe³⁺ + e⁻; E° = −0.77 V
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Q66
The alkali metals form salt-like hydrides by the direct synthesis at elevated temperature. The thermal stability of these hydrides decreases in which of the following orders?
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Q67
In which of the following coordination entities the magnitude of Δo (CFSE in octahedral field) will be maximum? (at. no. Co = 27)
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Q68
The angular shape of ozone molecule (O₃) consists of
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Q69
The correct order of increasing bond angles in the following triatomic species is
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Q70
Four diatomic species are listed below in different sequences. Which of these presents the correct order of their increasing bond order?
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Q71
Equimolar solutions of the following were prepared in water separately. Which one of the solutions will record the highest pH?
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Q72
In the hydrocarbon CH₃(6)–CH(5)=CH(4)–CH₂(3)–C(2)≡CH(1) The state of hybridization of carbons 1, 3 and 5 are in the following sequence
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Q73
Green chemistry means such reactions which
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Q74
A strong base can abstract an α-hydrogen from
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Q75
How many stereoisomers does the molecule have? CH₃CH=CHCH₂CHBrCH₃
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Q76
The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of
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Q77
Base strength of (a) H₃C–CH₂⁻ (b) H₂C=CH⁻ (c) H–C≡C⁻ is in the order of
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Q78
In DNA, the complementary bases are
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Q79
Which one of the following is most reactive towards electrophilic attack?
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Q80
An organic compound contains carbon, hydrogen and oxygen. Its elemental analysis gave C, 38.71% and H, 9.67%. The empirical formula of the compound would be
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Paper Info
  • Exam: AIPMT Prelims
  • Year: 2008
  • Questions: 180
  • Duration: 180 mins
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