NEET 2021 Chemistry Question Paper with Answer Key PDF Code M2

NEET Questions

• 1.

  Minority carriers in a $p-type$ semiconductor are

  

  • Holes
  • Free electrons
  • Both holes and free electrons
  • Neither holes nor free electrons
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• 2.

  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
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• 3.

  This is new question created.

  • answe 1

  • 9	9	9
    6	7	80
    4	3	2

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• 4.

  An example of a psychedilic agent is

  • DNA
  • LSD
  • DDT
  • TNT
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• 5.

  Penicillin was first discovered by

  • Alexander Fleming
  • Tence and Salke
  • S.A. Waksman
  • Louis Pasteur
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• 6.

  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} $
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