Description : Which of the following is not a correct statement about the electrophilic substitution mechanism of benzene? (a) Benzene functions as a nucleophile. (b) Formation of a carbocation intermediate is the ... hybridized carbon in the ring. (d) The addition product is a frequently observed minor product.
Last Answer : The addition product is a frequently observed minor product.
Description : Which of the following reaction mechanism doe not involves carbocation as an intermediate ?
Last Answer : Which of the following reaction mechanism doe not involves carbocation as an intermediate ? A. ... C. Fries Rearrangements D. Diels- Alder reaction
Description : In the following carbocation, `H//CH_(3)` that is most likely to migrate to the positve charged carbon is : `H_(3)overset(1)C-overset(H)overset(|2)und
Last Answer : In the following carbocation, `H//CH_(3)` that is most likely to migrate to the positve charged carbon is : `H_(3) ... . `CH_(3)` at C-2 D. H at C-2
Description : Which is most stable carbocation?
Last Answer : Which is most stable carbocation? A. n-Propyl cation B. Isopropyl cation C. Ethyl cation D. Triphenylmethyl cation
Description : Carbocation as an intermediate is likely to be formed in the reaction :
Last Answer : Carbocation as an intermediate is likely to be formed in the reaction : A. `"Hexene"overset("Anhyd ... + HCN"overset(.^(-)OH)rarr"acetonecyanohydrin"`
Description : Carbocation is a reaction intermediate in which of the following reactions?
Last Answer : Carbocation is a reaction intermediate in which of the following reactions? A. `E_(1)` reactions B. ... ^(1))` reaction D. All of the above
Description : Carbon atom in methyl carbocation and methyl carbanion is _____ and ______ hybridised :
Last Answer : Carbon atom in methyl carbocation and methyl carbanion is _____ and ______ hybridised : A. `sp,sp^(2)` B. `sp^(3),sp ... 3),sp^(2)` D. `sp^(2),sp^(3)`
Description : Most stable carbocation is:
Last Answer : Most stable carbocation is: A. B. C. D.
Last Answer : Most stable carbocation is: A. `CH_(3)-overset(+)CH_(2)` B. `overset(+)CH_(2)CHCl_(2)` C. `overset(+)CH_ ... (2)Cl` D. `overset(+)CH_(2)-CH_(2)NO_(2)`
Description : The most stable carbocation is :
Last Answer : The most stable carbocation is : A. methyl carbocation B. primary carbocation C. secondary carbocation D. tertiary carbocation
Description : Phenol is more reactive than benzene towards electrophilic substitution reaction. In case of Phenol, the intermediate carbocation is more resonance st
Last Answer : Phenol is more reactive than benzene towards electrophilic substitution reaction. In case of Phenol, the ... D. A is incorrect but R is correct
Description : Which of the following is not a possible reaction of a carbocation? (a) addition of a nucleophile (b) rearrangement to a more stable carbocation (c) addition of a proton to form an alkane (d) loss of a β-hydrogen to form an alkene
Last Answer : addition of a proton to form an alkane
Description : What is the name given for a species that contains a positively charged carbon atom? (a) carbanion (b) carbocation (c) methyl radical (d) free radical
Last Answer : carbanion