Williamson's synthesis reaction, among the following is -

  •  >CH3CH3C=Oconc. HClZn-HgCH3-CH2-CH3

  • CH3-CHO-H2ODil. NaOHCH3-CH=CH-CHO

  • C2H5I + C2H5ONaC2H5.O.C2H5 + NaI

  • HCHONaOHHCOONa + CH3OH

The compound that will not form a yellow precipitate on heating with an alkaline solution of iodine is: 

  • CH3CH(OH)CH3                                 

  • CH3CH2CH(OH)CH3
  • CH3OH                                               
  • CH3CH2OH

The incorrect reaction among the following is-

  •  

  •  

  •  

  •  

n-Propyl alcohol and iso-propyl alcohol can be distinguished by - 

  •  PCl5

  • reduction

  • oxidation with potassium dichromate

  • ozonolysis

The products of combustion of an aliphatic thiol (RSH) at 298K are:-

  • CO2(l), H2O(g)andSO2(g)

  •  CO2(g), H2O(g)andSO2(g)

  •  CO2(l), H2O(l)andSO2(g)

  •  CO2(g), H2O(l)andSO2(l)

Among the following sets of reactants which one produces anisole?                           

  • CH3CHO, RMgX

  • C6H5OH, NaOH, CH3I

  • C6H5OH, neutral FeCl3

  • C6H5-CH3, CH3COCl, AlCl3

Which one is formed when sodium phenoxide is heated with ethyl iodide?              

  • Phenetole

  • Ethyl phenyl alcohol

  • Phenol

  • None of the above

Which reagent will convert propionic acid to propanol-1?

  • KMnO4

  • LiAlH4

  • Cr2O3

  • MnO2

Butan-2-ol is a-

  • Primary alcohol                     

  • Secondary alcohol

  • Tertiary alcohol                       

  • None of the above

Primary alcohols can be obtained from the reaction of the RMgX with:

  • HCHO                       

  • H2O

  • CO2                         

  • CH3CHO

A compound X with molecular formula C3H8O can be oxidised to a compound Y with the molecular formula C3H6O2. X is most likely to be:

  • Primary alcohol                     

  • Secondary alcohol

  • Aldehyde                               

  • Ketone

Identity Z in the sequence of reactions-                                        

CH3CH2CH=CH2 HBr/H2O2YC2H5ONaZ

  • CH3-(CH2)3-O-CH2CH3

  • (CH3)2CH2-O-CH2CH3

  • CH3(CH2)4-O-CH3

  • CH3CH2-CH(CH3)-O-CH2CH3

The reaction of ethyl formate with an excess of CH3MgI followed by hydrolysis gives-

 

  • n-Propyl alcohol                 

  • Ethanol             

  • Isopropyl alcohol             

  • Propanal

Propene, CH3-CH=CH2 can be converted into 1-propanol by oxidation. Indicate which set of reagents amongst the following is ideal to effect the above conversion?                                       

  • KMnO4(alkaline)

  • Osmium tetroxide (OsO4/CH2Cl2)

  • B2H6 and alk H2O2

  • O3/Zn

In a reaction, 

CH2=CH2acidHypochlorousMR

M=molecules, R=reagent. M and R are 

  •  CH3CH2Cl and NaOH

  •  CH2Cl. CH2OH and aq. NaHCO3

  •  CH3CH2OH and HCl

  •   and heat

Lucas reagent is-

  • conc. HCl and anhy. ZnCl2

  • conc. HNO3 and anhy. ZnCl2

  • conc. HCl and hydrous ZnCl2

  • conc. HNO3 and hydrous ZnCl2

The general molecular formula, which represents the homologous series of alkanols is      

  • CnH2nO2        

  • CnH2nO

  • CnH2n+1O       

  • CnH2n+2O

R-COOHRCH2OH. This reduction cannot be done  by:

  •  NaBH4 

  • Na + alcohol

  •  LiAlH4

  • All of the above

What mass of isobutylene is obtained from 37 g of tertiary butyl alcohol by heating with 20% H2SO4 at 363 K, if the yield is 65%?

  • 16 g

  • 18.2 g

  • 20 g

  • 22 g

Which of the following reaction is used for preparation of glycol industrially?

  •  

  •  

  •  

  • none of the above

The number of primary alcohol isomers of C5H11OH is -

  • 5

  • 4

  • 2

  • 3

Phenol is less soluble in water. It is due to-

  • Non-polar nature of phenol

  • Acidic nature of -OH group

  • Non-polar hydrocarbon part in it

  • None of the above

The decreasing order of boiling points of 1°2°, and 3° alcohol is-

  •  1°>2°>3°                             

  •  3°>2°>1°

  •  2°>1°>3°                             

  • None of the above

The boiling points of thio-ethers are .... than those of ether.

  • lesser                                   

  • equal

  • higher                                   

  • none of these

The most effective reagent used to converts but-2-enal to but-2-enol is-

  • KMnO4

  • NaBH4

  • H2/Pt

  • K2Cr2O7/H2SO4

23g of sodium react with CH3OH to give-

  • 1 mole of O2                           

  • 1/2 mole of H2

  • 1 mole of H2                           

  • None of the above

Phenol and benzoic acid can be distinguished by:

  • Aqueous NaHCO3                           

  • Aqueous NaNO3

  • Aqueous NaOH                               

  • Conc. H2SO4

Glycerol on oxidation with conc HNO3 gives:

  • tartronic acid                               

  • mesoxalic acid

  • oxalic acid                                   

  • glyceric acid

Ethyl Chloride is converted into diethyl ether by- 

  • Wurtz synthesis

  • Grignard reaction

  • Perkin's reaction 

  • Williamson's synthesis

Which is an excellent antiseptic?

  • Phenol 

  • Benzyl alcohol

  • Benzaldehyde 

  • Acetic acid

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