BCECE 2014 Chemistry Question Paper with Answer Key PDFs (May 18)

BCECE Questions

• 1.

  Angular shape of ozone molecule consists of
  

  • 1 sigma and 2 pi-bonds
    
  • 2 sigma and 2 pi-bonds
    
  • 1 sigma and 1 pi-bond
    
  • 2 sigma and 1 pi-bond
    
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• 2.

  Calculate the number of unpaired electrons in [Mn(H₂O)₆]²⁺, considering H₂O as a weak field ligand. (Atomic number of Mn = 25)

  • Two
    
  • Three
    
  • Four
    
  • Five
    
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• 3.

  What does sodium phthalate give on reaction with sodalime?

  • Benzene
    
  • Toluene
    
  • Phthalic acid
    
  • Phenol
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• 4.

  In a Bowler's solution containing the same concentrations of B^- and HB, the ratio of K_B to B^- is 10^-10. The pH of the Bowler's solution will be:

  • 4
    
  • 6
    
  • 7
    
  • 10
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• 5.

  What color does Silver Chloride (AgCl) turn upon exposure to sunlight?
  

  • Grey
    
  • White
    
  • Yellow
    
  • Brown
    
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• 6.

  What is the volume of solution needed to prepare a 3 Molarity (M) solution containing 80 g of NaOH?
  

  • 1.50 L / 1500 mL
    
  • 1.33 L / 1330 mL
    
  • 0.67 L / 667 mL
    
  • 0.50 L / 500 mL
    
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