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