NEET
Practice Test 3
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The reaction of Lucas reagent is fastest with:

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Which of the following reagent is best to change glycerol to acrolein ?

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    Glycerol is dehydrated by using dehydrating agent like P2O5 or conc H2SO4 or KHSO4 but KHSO4 is best of them.

Dehydration of 2-butanol yields

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Which one of the following is not formed when glycerol reacts with HI ?

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Isopropyl alcohol is obtained by reacting which of the following alkenes with concentrated H2SO4 followed by boiling with H2O?

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Acid catalyzed hydration of alkenes except ethene leads to the formation of

Which of the following reactions will not result in the formation of anisole?

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    Phenol has active (acidic)hydrogen so it reacts with CH3MgI to give CH4, and not anisole

    C6H5OH + CH3MgI → CH4 + C6H5OMgI

In the Below sequence X can be \(C_{6}H_{5}-CH=CHCHO \overset{x}{\rightarrow} C_{6}H_{5}CH=CHCH_{2}OH\).

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The best method to prepare cyclohexene from cyclohexanol is by using

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    Conc. HCl, HBr and conc. HCl + ZnCl2 all are nucleophiles,thus convert alcohols to alkyl halides. However, conc. H3PO4 is a good dehydrating agent which converts an alcohol to an alkene.

Among the following the one that gives positive iodoform test upon reaction with I2 and NaOH is

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Alcohols, Phenols And Ethers
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