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MDCAT - UHS Past Papers - Chemistry - Chap No 12 Quiz

Attempt 10 MCQs on MDCAT - UHS Past Papers - Chemistry - Chap No 12 | Quiz 3

21. What is the order of increasing reactivity of alkyl halides?



22. The decomposition of phosphorus pentachloride in the presence of moisture takes place by the following mechanism: PCL5+H2O→POCL3+2HCL (slow step) POCL3+3H2O→H3PO4+3HCL (Fast step) Result = PCL5 +4H2O→ H3PO4+5HCl the rate equation for this reaction will be:



23. In the reaction sequence CH₃−CH₂−CH₂−Br + Alc KOH → C → D, Product D will be:



24. Which balanced chemical equation shows the formation of ethyl chloride using thionyl chloride?



25. The increasing stability order of the following compounds (1) CH₃CH₂CH₂⁺ (2) (CH₃)₃C⁺ (3) CH₃CH₂−CH⁺−CH₃ are:



26. When 2-bromopropane reacts with sodium ethoxide, the major product is/are:



27. Identify the correct statement related to substitution and elimination of alkyl halides:



28. Alkyl halides involving -C-X bond breakage and -C-Nu bond formation simultaneously would follow which one of the following mechanisms:



29. Final equation for the representation of rate of reaction in (ctrr) of concentration is called :



30. Poly vinyl chloride (PVC) is the type of?



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