(I) Ethers are soluble in cone. \[{{H}_{2}}S{{O}_{4}}\] but separate out on addition of water. |
(II) Ethers are used as solvents for \[B{{F}_{3}}\] and Grignard reagent. |
(III) Mononitration of p-methylanisole gives 2-nitro- 4-methylanisole |
(IV) Monobromination of p-ethoxyphenol gives 2-bromo- 4-ethoxyphenol |
(V) 4-Chlorophenol (I) will dissolve in NaOH but 4-chloro-1 -methyl benzene (II) will not. |
(VI) 4-Methyl benzoic (III) acid will dissolve in aq. \[NaHC{{O}_{3}}\] but 4-methyl phenol (IV) will not. |
(VII) 2, 4, 6-Trinitrophenol (V) will dissolve in aq. but 4-methyl phenol (VI) will not. |
(VIII) 4-Ethyl phenol (VII) will dissolve in aq. NaOH but ethyl phenyl ether (VIII) will not. |
Answer:
8
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