Benzoic acid gives benzene on being heated with X and phenol gives benzene on being heated with Y. Therefore, X and Y are respectively
1. Sodalime and copper
2. Zn dust and NaOH
3. Cu and sodalime
4. Sodalime and zinc dust
Oxalic acid on treatment with conc. H2SO4 gives:
1. CO + H2O2
2. H2O +CO+CO2
3. HCOOH + CO2
4. HCOOH + CO2 +O2
Benzene sulphonic acid on treating with P2O5 gives:
1. salicylic acid
2. benzoic acid
3. acid anhydride
4. sodium benzoate
The IUPAC name of tartaric acid is:
1. 2,3-dihydroxy butane-1, 4-dioic acid
2. 1,4-dihydroxy butane-2-3-dioic acid
3. butane-1 4-dicarboxylic acid
4. none of the above