In Friedel-Craft's synthesis of toluene, the reactants in addition to anhydrous AlCl3 are
1. C6H5Cl + CH4
2. C6H5Cl + CH3Cl
3. C6H6 + CH4
4. C6H6 + CH3Cl
Benzene reacts with in the presence of anhy. to form
1. toluene
2. chlorobenzene
3. benzylchloride
4. xylene
3-Hexyne can be converted to trans-3-Hexene by the action of:
1. - Pd/
2. Li-Liq.
3. - Pt
4.
A compound having the shortest carbon-carbon bond length among the following is :
1. Benzene
2. Ethene
3. Ethyne
4. Ethane
Reaction of HBr with propene in the presence of peroxide gives
1. iso-propyl bromide
2. 3-bromo propane
3. allyl bromide
4. n-propyl bromide
The reaction of toluene with in the presence of gives 'X' and reaction in presence of light gives 'Y'. Thus, 'X' and 'Y' are
1. X = benzal chloride, Y= o-chlorotoluene
2. X = m-chlorotoluene, Y= p-chlorotoluene
3. X = o and p-chlorotoluene, Y = trichloromethyl benzene
4. X = benzal chloride, Y = m-chlorotoluene
In the reaction, A BC
the product C is:
1.
2.
3.
4.
Which is the most suitable reagent among the following to distinguish compound (III) from rest of the compounds?
I.
II.
III.
IV.
1. | Br2/CCl4 | 2. | Br2/CH3COOH |
3. | Alk.KMnO4 | 4. | Ammoniacal AgNO3 |
The reaction,
+ + HCl
is an example of:
1. Friedel-Crafts reaction
2. Kolbe's synthesis
3. Wurtz's reaction
4. Grignard synthesis
Acetylene reacts with 42% containing 1% to give:
1.
2.
3. HCHO
4.