NEET 2013

147 Questions • 180 Minutes • 2013

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Q41
A reaction having equal energies of activation for forward and reverse reactions has
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Q42
At 25°C molar conductance of 0.1 molar aqueous solution of ammonium hydroxide is 9.54 ohm⁻¹ cm² mol⁻¹ and at infinite dilution its molar conductance is 238 ohm⁻¹ cm² mol⁻¹. The degree of ionisation of ammonium hydroxide at the same concentration and temperature is
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Q43
Based on equation E = −2.178 × 10⁻¹⁸ J (Z²/n²), certain conclusions are written. Which of them is not correct?
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Q44
A button cell used in watches functions as following: Zn(s) + Ag₂O(s) + H₂O(l) ⇌ 2Ag(s) + Zn²⁺(aq) + 2OH⁻(aq) If half cell potentials are Zn²⁺(aq) + 2e⁻ → Zn(s); E° = −0.76 V Ag₂O(s) + H₂O(l) + 2e⁻ → 2Ag(s) + 2OH⁻(aq); E° = 0.34 V The cell potential will be
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Q45
How many grams of concentrated nitric acid solution should be used to prepare 250 mL of 2.0 M HNO₃? The concentrated acid is 70% HNO₃.
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Q46
A magnetic moment of 1.73 BM will be shown by one among the following
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Q47
Which of the following is paramagnetic ?
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Q48
The number of carbon atoms per unit cell of diamond unit cell is
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Q49
Reaction by which benzaldehyde cannot be prepared
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Q50
Maximum deviation from ideal gas is expected from :
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Q51
Which of the following does not give oxygen on heating ?
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Q52
A metal has a fcc lattice. The edge length of the unit cell is 404 pm. The density of the metal is 2.72 g cm⁻³. The molar mass of the metal is (NA = Avogadro's constant = 6.02 × 10²³ mol⁻¹)
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Q53
Which of the following lanthanoid ions is diamagnetic ? (At. No. Ce = 58, Sm = 62, Eu = 63, Yb = 70)
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Q54
Dipole-induced dipole interactions are present in which of the following pairs?
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Q55
Identify the correct order of solubility in aqueous medium
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Q56
XeF₂ is isostructural with
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Q57
Roasting of sulphides gives the gas X as a byproduct. This is a colourless gas with choking smell of burnt sulphur and causes great damage to respiratory organs as a result of acid rain. Its aqueous solution is acidic, acts as a reducing agent and its acid has never been isolated. The gas X is
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Q58
An excess of AgNO₃ is added to 100 mL of a 0.01 M solution of dichlorotetraaquachromium(III) chloride. The number of moles of AgCl precipitated would be
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Q59
Which is the strongest acid in the following ?
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Q60
Which of these is least likely to act as a Lewis base ?
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Paper Info
  • Exam: NEET
  • Year: 2013
  • Questions: 147
  • Duration: 180 mins
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