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. /
2. /
3. Alk.
4. Ammoniacal
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.
When was hydrolysed a gas was obtained. It had a garlic odour due to phosgene present as impurity. The gas was passed through ammoniacal solution of , a red ppt. was obtained. The gas was:
1. ethylene 2. propyne
3. acetylene 4. ethane
Ozonolysis (, ) of, gives :
1. +
2. +
3. +
4. none of the above
. The reagent is
1. Na 2. HCl in
3. KOH in 4. Zn in alcohol
The reaction,
is the example of:
(a) sulphonation (b) dehydration
(c) alkylation (d) decomposition
The end product 'W' in the follownign sequence of reactions is :
1. | 2. | ||
3. | \(Ph-CH_2-O-CH_2-CH_2-Ph\) | 4. |