Related InterviewSolutions

• Write the name of phenyl-substituded groups: a. `C_(6)H_(5) overset(|)(C)Hme`, b `C_(6)H_(5) CH_(2)-` C. `C_(6) H_(5) CH = CH-`, d. `C_(6)H_(5) == CHCH_(2)-`
• The decreasing nucleophilic order of the following compounds is: i. `NH_(3)`, ii. `PH_(3)`, iii. `AsH_(3)`, iv. `SbH_(3)`A. `(i) gt (ii) gt (iii) gt (iv)`B. `(iv) gt (iii) gt (ii) gt (i)`C. `(ii) gt (i) gt (iii) gt (iv)`D. `(ii) gt (i) gt (iv) gt (iii)`
• The halogen which is most reactions , in the halogenation of alkanes under sunlight is .........
• Nitration of xylene gives only one mono-nitro derivaties. Which xylene is it?A. orhtoB. metaC. paraD. Both `o` and `p`
• Among the following in which cases is the `o//p` ratio on nitration more the first compound?
• Which is least reactive towards nucleophilic substitution `(S_(N^(2)))`A. B. `Me_(3)C - Cl`C. `PhCl`D. `MeCH(Cl)Me`
• Both `t-`butyl and `(-SO_(3)H)` groups are used as a blocking group in certain synthesis of organic compounds. Which of the following statements are correct?A. `t-` Butyl group is easily introduced by any of the varitions of the Friedel-Crafts alkylation reacton.B. t-` Butyl group can be intorduced by using: I. `Me_(3)C - Cl + AlCl_(3)` II. `Me_(3)C - OH + BF_(3)` III. C. `t-` Butyl group can be easily removed under acidic conditions, beucase of the stability of tert-butyl cations.D. `t-` Butyl group has advantage over a `(-SO_(3)H)` group as a blocking group, becuase `t-` butyl group activates the ring to further `SE` reaction.
• Which are the sources of phenol?A. CumeneB. Hydrolysi of benzene diaxonium saltC. Middle oil of coal tar distilationD. Reaction of diazonium salt with `H_(3)PO_(2)`
• Predicrt the order of reactivity of the following compounds in `SN^(1)` and `SN^(2)` reactions.
• `(A) would be:A. B. C. D.