1 |
SN2-reactions can be usually observed in |
Primary alkylı halide
secondary alkyl halide
Tertiary alkyl halide
Both A. and B
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2 |
Alkyl halides are considered to be very reactive compounds towards nucleophiles, because |
The have an electrophilic carbon
They have an electrophilic carbon and a bad leaving group
They have an electrophilic carbon and a good laving group
They have a nucleophilic carbon and a good leaving group
|
3 |
The rate of E1 reaction depends upon |
The concentration of substrate
The concentration of substrate as well as nucleophile
The concentration Nucleophilic
Nature of Catalyst
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4 |
For which mechanisms, the first step involved is the same |
E1 and E2
E2 and SN2
E2 and E1
E1 and SN1
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5 |
The average bond energy of C-Br is |
228 kJmol-1
250 kJmol-1
200 kJmol-1
290 kJmol-1
|
6 |
The carbon atom of an alkyl group attached with halogen atom is called |
Electrophile
Free redical
Nucleophile
Nucleophilic centre
|