NEET 2022 Botany Question Paper with Solutions PDF Code Q4

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
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• 2.

  The reagent which can do the conversion $CH _{3} COOH \longrightarrow CH _{3}- CH _{2}- OH $ is

  

  • $LiAIH_4$ / ether
  • $H_2, Pt$
  • $NaBH_4$
  • $Na$ and $C_2H_5OH$
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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.

  A colourless, neutral, paramagnetic oxide of Nitrogen $'P'$ on oxidation gives reddish brown gas $Q$. $Q$ on cooling gives colourless gas $R$. $R$ on reaction with P gives blue solid $S$. Identify $P , Q , R , S$, respectively

  

  • $N _{2} O\, NO\, NO _{2} \,N _{2} O _{5}$
  • $N _{2} O\, NO _{2}\, N _{2} O _{4} \,N _{2} O _{3}$
  • $NO \,NO _{2} \,N _{2} O _{4}\, N _{2} O _{3}$
  • $NO \,NO\, N _{2} O _{4} \,N _{2} O _{5}$
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• 5.

  Conjugate acid of $SO_4^{2-}$ is

  • $HSO^-_4$
  • $HSO_4$
  • $H_2SO_4$
  • $SO^{2-}_4$
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• 6.

  Noradrenaline is a /an

  • Neurotransmitter
  • Antidepressant
  • Antihistamine
  • Antacid
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