AIPMT 2012 Prelims

171 Questions • 171 Minutes • 2012

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Q61
The protecting power of lyophilic colloidal sol is expressed in terms of
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Q62
In a reaction, A + B → Product, rate is doubled when the concentration of B is doubled, and rate increases by a factor of 8 when the concentrations of both the reactants (A and B) are doubled. Rate law for the reaction can be written as
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Q63
Which one of the following sets of monosaccharides forms sucrose?
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Q64
In the following sequence of reactions CH₃–Br —(KCN)→ A —(H₃O⁺)→ B —(LiAlH₄, ether)→ C, the end product (C) is
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Q65
Which of the following acids does not exhibit optical isomerism?
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Q66
Which nomenclature is not according to IUPAC system?
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Q67
The pair of species with the same bond order is
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Q68
The correct order of decreasing acid strength of trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C) and formic acid (D) is:
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Q69
Which of the following species contains three bond pairs and one lone pair around the central atom?
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Q70
Among the following compounds the one that is most reactive towards electrophilic nitration is:
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Q71
Identify the wrong statement in the following:
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Q72
In a zero-order reaction for every 10° rise of temperature, the rate is doubled. If the temperature is increased from 10°C to 100°C, the rate of the reaction will become:
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Q73
Which of the statements is not true?
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Q74
Which one of the following statements regarding photochemical smog is not correct?
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Q75
In which of the following reactions, standard reaction entropy change (ΔS°) is positive and standard Gibbs energy change (ΔG°) decreases sharply with increasing temperature?
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Q76
Which of the following statements is not valid for oxoacids of phosphorus?
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Q77
Predict the products in the given reaction: m-Chlorobenzaldehyde (m-Cl–C₆H₄–CHO) —(50% KOH)→ ?
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Q78
Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?
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Q79
Standard enthalpy of vapourisation ΔvapH° for water at 100°C is 40.66 kJ mol⁻¹. The internal energy of vapourisation of water at 100°C (in kJ mol⁻¹) is
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Q80
In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with:
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Paper Info
  • Exam: AIPMT Prelims
  • Year: 2012
  • Questions: 171
  • Duration: 171 mins
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