11 true
true or false................
1.reaction of benzene with cyclopropane and AlCl3 gives n- propyl benzene.
2.reaction of benzene wit cyclopropane and AlCl3 in cold gives n- propyl benzene.
3.reaction of benzene with propionylchloride & AlCl3 folowed by the action of Zn-Hg and conc.HCl gives n- propyl benzene.
4.greater acidity of salicylic acid is due to intramolecular hydro. bonding.
5.dueteration of phenol lowers its acidity
6.o-nitrophenol is more volatile than p-nitrophenol.
7.Phenotole is more reactive than towards electrophilic substitution than methyl benzene.
8.which of the foll. is not involved as an electrophile a.Cl+ b. +SO3H c.R-C=O+ d.CH3+
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13 Answers
1actually , i dnt know the correct ans right now......ii'l post it tomorrow...
11. is true as reaction of cyclopropane is similar to that of alkene.
cyclopropane also gives +ve Br2 addition test like alkenes!