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Mdcat-past-papers Quiz

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4141. 50% inversion of configuration and 50% retention of configuration observed is characteristic of:



4142. Which solvent is used when alcohol reacts with thionyl chloride to form alkyl halide?



4143. Which of the following will not affect the SN1 mechanism?



4144. Which compound reacts most rapidly by SN1 mechanism?



4145. Compound X reacts with Grignard's reagent to produce tertiary alcohols. What is the compound?



4146. Lucas test is based on?



4147. Which aldehyde is more reactive towards nucleophilic addition?



4148. Alkyl halides involving -C−X bond breakage and -C−Nu bond formation simultaneously would follow the mechanism:



4149. Free radical mechanism is used in:



4150. Alkyl halide undergo ------- reaction.



4151. SN2 reactions are given by:



4152. Reactivity of alkyl halides can be determined by:



4153. Grignard reagent is made by adding halogenoalkanes to:



4154. Ethyl magnesium bromide reacts with water to give:



4155. Grignard reagent, e.g. Methyl magnesium halide reacting with methyl halide, product is:



4156. Grignard reagent formed when alkyl halide reacts in the presence of ------ with:



4157. An alcohol is converted to an aldehyde with same number of carbon atoms as that of alcohol in the presence of K₂Cr₂O₇/H₂SO₄, the alcohol is:



4158. Which enzyme is involved in fermentation of glucose:



4159. The dehydration of ethyl alcohol with concentrated H₂SO₄ at 140°C gives:



4160. Ethanol can be converted into ethanoic acid by:



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