AP EAPCET 2026 May 18 Shift 2 Engineering Question Paper with Solution PDF

AP EAPCET Questions

• 1.

  Twenty seven drops of same size are charged at $220\text{ V}$ each. They combine to form a bigger drop. Calculate the potential of the bigger drop.}

  • $1320\text{ V}$
    
  • $1520\text{ V}$
    
  • $1980\text{ V}$
    
  • $660\text{ V}$
    
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• 2.

  The energy of the second bohr orbit of the hydrogen atom is $-328 \text{ kJ mol}^{-1}$; hence the energy of the fourth bohr orbit would be:
  

  • $ -41 \text{ kJ/mol} $
    
  • $ -82 \text{ kJ/mol} $
    
  • $ -164 \text{ kJ/mol} $
    
  • $ -1312 \text{ kJ/mol} $
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• 3.

  Identify the correct set of molecules with zero dipole moment:

  • $ \text{CO}_2, \text{NH}_3, \text{H}_2\text{O} $
    
  • $ \text{NH}_3, \text{NF}_3, \text{BF}_3 $
    
  • $ \text{PF}_3, \text{NH}_3, \text{CH}_4 $
    
  • $ \text{CH}_4, \text{BF}_3, \text{CO}_2 $
    
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• 4.

  Identify the correct set of molecules with zero dipole moment:
  

  • $ \text{CO}_2, \text{NH}_3, \text{H}_2\text{O} $
    
  • $ \text{NH}_3, \text{NF}_3, \text{BF}_3 $
    
  • $ \text{PF}_3, \text{NH}_3, \text{CH}_4 $
    
  • $ \text{CH}_4, \text{BF}_3, \text{CO}_2 $
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• 5.

  Identify the correct set of molecules with zero dipole moment:
  

  • $ \text{CO}_2, \text{NH}_3, \text{H}_2\text{O} $
    
  • $ \text{NH}_3, \text{NF}_3, \text{BF}_3 $
    
  • $ \text{PF}_3, \text{NH}_3, \text{CH}_4 $
    
  • $ \text{CH}_4, \text{BF}_3, \text{CO}_2 $
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• 6.

  Which of the following sets are correctly matched? {|c|c|c|} Set & Molecule & Geometry
  I & $\text{BrF}_5$ & Square pyramidal
  II & $\text{XeF}_6$ & Distorted octahedral
  III & $\text{SF}_4$ & Square planar
  IV & $\text{PbCl}_2$ & Linear
  

  • I and II
    
  • II and III
    
  • III and IV
    
  • I and IV
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