Unit 21: Halogenoalkanes — Mcqs

12th Class Chemistry · Unit 21: Halogenoalkanes

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Q1.I.Which of the following compound is a primary halogenoalkane?
Q1.II.The reactivity order of halogenoalkanes for a particular alkyl group is:
Q1.III.Sɴ2 reactions can be best carried out with:
Q1.IV.Elimination bimolecular reactions involve:
Q1.V.For which mechanisms, the first step involved is the same:
  • a E1 and E2
  • b E2 and Sɴ2
  • c Sɴ1 and E1
  • d E1 and Sɴ1
Q1.VI.Halogenoalkanes are considered to be very reactive compounds towards nucleophiles, because:
Q1.VII.2-chloropropane will follow which mechanism when it reacts with aqueous KOH resulting in the formation of an alcohol?
  • a Sɴ1
  • b Sɴ2
  • c Mixed Sɴ1 and Sɴ2
  • d E1
Q1.VIII.Which one of the following is not a nucleophile?
Q1.IX.When aqueous solution of alkyl halides are reacted with AgNO₃, the most rapid ppt. formation occurs with:
Q1.X.The rate of E1 reaction depends upon: