NEET 2018 Question Paper with Answer Key PDFs in Kannada YY

NEET Questions

• 1.

  Which of the following is not true for oxidation?

  • addition of oxygen
  • addition of electronegative element
  • removal of hydrogen
  • removal of electronegative element
  View Solution

  ---

• 2.

  Noradrenaline is a /an

  • Neurotransmitter
  • Antidepressant
  • Antihistamine
  • Antacid
  View Solution

  ---

• 3.

  What will be the equilibrium constant of the given reaction carried out in a $ 5 \,L $ vessel and having equilibrium amounts of $ A_2 $ and $ A $ as $ 0.5 $ mole and $ 2 \times 10^{-6} $ mole respectively ? The reaction : $ \ce{A2 <=> 2A} $

  • $ 0.16 \times 10^{-11} $
  • $ 0.25 \times 10^{5} $
  • $ 0.4 \times 10^{-5} $
  • $ 0.2 \times 10^{-11} $
  View Solution

  ---

• 4.

  Minority carriers in a $p-type$ semiconductor are

  

  • Holes
  • Free electrons
  • Both holes and free electrons
  • Neither holes nor free electrons
  View Solution

  ---

• 5.

  At a certain temperature in a 5 L vessel, 2 moles of carbon monoxide and 3 moles of chlorine were allowed to reach equilibrium according to the reaction,$CO + Cl_{2} <=> COCl_2 $ At equilibrium, if one mole of CO is present then equilibrium constant $(K_c)$ for the reaction is :

  • 2
  • 2.5
  • 3
  • 4
  View Solution

  ---

• 6.

  Write a balanced equation for the reaction of molecular nitrogen (N₂) and oxygen (O₂) to form dinitrogen pentoxide. \((f(x)=x^2)\)

  • N₂ + O₂ → N₂O₅ (unbalanced equation)
  • 2N₂ + 5O₂ → 2N₂O₅
  • option 3
  View Solution