Which alkyl halide has the highest reactivity for a particular alkyl group ?
Which alkyl halide has the highest reactivity for a particular alkyl group ? A. R-F B. R-C C. R-BrD. R-I
Which alkyl halide has the highest reactivity for a particular alkyl group ? A. R-F B. R-C C. R-BrD. R-I
50% inversion of configuration of molecules take place in a___________________? A. E1 – reaction B. E2 – reactionC. SN1 – reaction D. SN2 – reaction
The best method of preparation of alkyl halides is a reaction of alcohol with__________________? A. Zn / HCIB. SOCl2 / Pyridine C. PCI3 D. PCI5
In primary alkyl halides the halogen atom is attached to a carbon which is further attached to how many carbon atoms__________________? A. two B. threeC. one D. four
Which one of the following molecules does not form alcohol when reacts with Grignard reagent ? A. formaldehyde B. acetaldehyde C. propanoneD. carbondioxide
Which one of the following alcohols will be formed when ethyl magnesium bromide reacts with acetone ? A. primary alcohol B. secondary alcoholC. tertiary alcohol D. dihydric alcohol
Which one of the following species is not an electrophile ? A. NH3 B. Br+ C. H+ D. BF3
The ether used in Wurtz synthesis is__________________? A. acidic B. basic C. aqueousD. dry
Grignard reagent is reactive due to___________________? A. the presence of halogen atom B. the presence of magnesium atomC. the polarity of C-Mg bond D. all
Elimination bimolecular reactions involve____________________________? A. first order kineticsB. second order kinetics C. third order kinetics D. zero order kinetics