A mixture of benzaldehyde and formaldehyde on heating with aqueous (conc.)NaOH solution gives
1. benzyl alcohol and sodium formate
2. sodium benzoate and methyl alcohol
3. sodium benzoate and sodium formate
4. none of these
For the reaction:
Which reagent will be appropriate for the above conversion?
1. Zn-Hg/HCl
2. NH2-NH2/OH-
3. LiAlH4/H
4. HI/P
Identify (X) in the given sequential reaction.
1. CH3OH
2. Ethyl alcohol
3. Methyl cyanide
4. tert-Butyl alcohol
Phenolphthalein is produced on heating phthalic anhydride and conc. sulphuric acid with
1. Salicylic acid
2. Phenol
3. Phenacetin
4. Phenanthrene
The compound Y in the above sequence of reactions is:
1. 1-Phenylethene
2. 2-Phenyl-2-propanol
3. Acetophenone
4. Benzaldehyde
In the following reaction:
The structure of the major product 'X' is
(1)
(2)
(3)
(4)
The compound A can be exclusively oxidized into B by:
1. NaCN, followed by hydrolysis
2. NaOI, followed by H3O+
3. KMnO4(hot), followed by hydrolysis
4. K2Cr2O7, followed by H3O+
X Y
In the above reaction, X and Y are:
1. Identical
2. Homologous
3. Structural Isomers
4. Stereoisomers
Which compound is most reactive towards nucleophilic addition?
1. CH3CHO
2. PhCOCH3
3. PhCOPh
4. CH3COCH3