ICSE Class 10 Alcohols, Phenols and Ethers — Mock Test

Free online mock test for Alcohols, Phenols and Ethers (ICSE Class 10 Chemistry) — 76 competency-based questions with instant marking. Try the samples below, then take the full test free.

Sample questions

1. 1.![alcohol_phenol_ether_structures.png]() The figure shows the O-H bond length in methanol as 96 pm and the C-O bond length as 142 pm. In the methoxymethane structure the C-O bond length is given as 141 pm. What can you conclude about the oxygen atom in these molecules from the figure?
   • A.Oxygen is sp3 hybridised, forming two sigma bonds with bond angles near the tetrahedral value
   • B.Oxygen is sp2 hybridised and lies in the same plane with 120 degree bond angles
   • C.Oxygen forms a triple bond to carbon in the ether
   • D.Oxygen has no lone pairs in any of these molecules
2. 2.Which of the following statements about the acidity of phenols is INCORRECT?
   • A.Phenols are stronger acids than alcohols and water
   • B.Electron-withdrawing groups such as -NO2 at ortho and para positions increase the acid strength of phenol
   • C.Electron-releasing groups such as -CH3 increase the acid strength of phenol
   • D.The phenoxide ion is stabilised by delocalisation of the negative charge
3. 3.What is the IUPAC name of the compound CH3-CH(Cl)-CH(CH3)-CH(CH3)-CH2OH derived in NCERT Example 7.1? (NCERT Example 7.1)
   • A.4-Chloro-2,3-dimethylpentan-1-ol
   • B.2-Chloro-3,4-dimethylpentan-1-ol
   • C.4-Chloro-2,3-dimethylpentan-5-ol
   • D.1-Chloro-2,3-dimethylpentan-4-ol
4. 4.In the industrial manufacture of phenol from cumene, the important by-product obtained in large quantities is:
   • A.Acetone
   • B.Benzene
   • C.Toluene
   • D.Acetic acid
5. 5.What is the IUPAC name of anisole, C6H5OCH3? (NCERT Table 7.2)
   • A.Methoxybenzene
   • B.Phenoxymethane
   • C.Benzyl methyl ether
   • D.Methylphenol