7info Times

1)   The order of reactivity in nucleophilic substitution reaction is a) CH 3 F < CH 3 CI <CH 3 I   < CH 3 Br b) CH 3 F < CH 3 CI < CH 3 Br < CH 3 I c) CH 3 F < CH 3 Br < CH 3 Cl < CH 3 I d) CH 3 I < CH 3 Br < CH 3 CI < CH 3 F 2) Racemate is a) Optically active     b) optically dextro rotatory c) Optically inactive d) optically laevorotatory 3) The number of asymmetric carbon atoms in glucose are a) 2                b) 3                 c) 4                 d) 5 4) The geometry of carbonium ion is a) Tetrahedral            b) planar c) linear                ...