1. | 2. | ||
3. | 4. |
1. | 2. | ||
3. | 4. |
The reaction among the following that proceeds through an electrophilic substitution reaction is:
1. | |
2. | |
3. | |
4. |
In the following reaction,
\(\mathrm{ CH_{3}C\equiv CH\xrightarrow[Red \ hot \ iron \ tube]{873 K} \ A}\)
The number of () bonds present in the product (A) is:
1. | 21 | 2. | 9 |
3. | 24 | 4. | 18 |
P, Q and R in the above-mentioned sequence of reactions are respectively:
1. | |
2. | |
3. | |
4. |
A compound that cannot give Friedel-Craft’s reaction is:
1. | Xylene | 2. | Nitrobenzene |
3. | Toluene | 4. | Cumene |
The order of decreasing reactivity towards an electrophilic reagent, for the following:
(i) Benzene (ii) Toluene
(iii) Chlorobenzene and
(iv) Phenol
would be:
1. (i) > (ii) > (iii) > (iv)
2. (ii) > (iv) > (i) > (iii)
3. (iv) > (iii) > (ii) > (i)
4. (iv) > (ii) > (i) > (iii)
The increasing order of electrophilic substitution for the following compounds is:
1. | IV<I<II<III | 2. | III<II<I<IV |
3. | I<IV<III<II | 4. | II<III<I<IV |
In Friedel craft reaction, Toluene can be prepared by:
1. C6H6 + CH3Cl
2. C6H5Cl + CH4
3. C6H6 + CH2Cl2
4. C6H6 + CH3COCl