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 |
The alkane that gives only one monochloro product on chlorination with \(\text{Cl}_2\) in presence of diffused sunlight is-
1. | 2,2,-Dimethylbutane | 2. | Neopentane |
3. | n-Pentane | 4. | Isopentane |
The reaction among the following that proceeds through an electrophilic substitution reaction is:
1. | |
2. | |
3. | |
4. |
The most suitable reagent for the following conversion is-
1. Hg2+/ H+, H2O
2. Na/liquid NH3
3. H2, Pd/C, quinoline
4. Zn/HCl
An alkene "A" on reaction with and gives propanone and ethanal in equimolar ratio. The addition of HCl to alkene "A" gives "B" as the major product. The structure of product "B" is:
1. | 2. | ||
3. | 4. |
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)
Predict the product C obtained in the following reaction of butyne-1.
\( CH_{3}CH_{2}-C\equiv CH \ + \ HCl \)
\(\ \xrightarrow[]{} \ B \ \xrightarrow[]{HI} \ C\)
1. | |
2. | |
3. | |
4. |
In the given hydrocarbon,
The type/state of hybridization of carbons 1, 3, and 5 respectively are:
1. sp2, sp, sp3
2. sp, sp3, sp2
3. sp, sp2, sp3
4. sp3, sp2, sp
Benzene reacts with CH3Cl in the presence of anhydrous AlCl3 to form:
1. | Toluene | 2. | Chlorobenzene |
3. | Benzylchloride | 4. | Xylene |
Nitrobenzene can be prepared from benzene by using a mixture of conc. HNO3 and conc. H2SO4. In the mixture, nitric acid acts as a/an:
1. | reducing agent | 2. | acid |
3. | base | 4. | catalyst |