KEAM 2023 Question Paper (Available): Download Question Paper With Answer Key PDFs

4ADFK1

• 1.

  Which among the following has the highest molar elevation constant?

  • CHCl$_3$
  • CCl$_4$
  • CH$_3$COOH
  View Solution

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• 2.

  The formula of Ammonium phosphomolybdate is

  • \((NH_4)_3PO_4.12MoO_3\)
    
  • \((NH_4)_2.12MoO_4\)
    
  • \((NH_4)_2PO_4.12MoO_3\)
    
  • \((NH_4)_3PO_3.12MoO_3\)
    
  • \((NH_4)_3PO_4.2MoO_3\)
    
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• 3.

  Which is a Lewis acid?

  • HCl
    
  • \( \text{OH}^- \)
    
  • \( \text{Co}^{3+} \)
    
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• 4.

  Which of the following gases has the lowest solubility in water at 298 K?

  • Argon
    
  • Carbon dioxide
    
  • Formaldehyde
    
  • Methane
    
  • Vinyl chloride
    
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• 5.

  Hardness of water is estimated by titration with

  • DMG
    
  • Cupron
    
  • \(\alpha\)-nitroso-\(\beta\)-naphthol
    
  • Na\(_2\)] EDTA
    
  • Ethylenediamine
    
  View Solution