Question

When oxalic acid is heated with concentrated H2SO4 it gives:

Solution

Correct option is

CO & CO2

 

Conc. H2SO4 is a dehydrating agent, so it will dehydrate oxalic acid.  

             .

SIMILAR QUESTIONS

Q1

Out of H2S2O3, H2S4O6, H2SO5 and H2S2O8 peroxy acids are:

Q2

Identify the incorrect statements among the following:

Q3

The oxide of chlorine is a colourless oily liquid and most acidic:

Q4

XeOF4 is prepared by:

Q5

When dry chlorine is passed through silver chlorate heated to 90oC, then which of the oxide of chlorine is obtained?

Q6

Cl2O6 dissolves in sodium hydroxide to form:

Q7

 

When any chloride is heated with conc. H2SO4, then HCl is obtained while when any bromide is heated with conc. H2SO4, then Br2 is obtained and not HBr.

This is because

Q8

When PH3 is passed through copper sulphate solution, then copper phosphide is obtained. This is because:

Q9

Acid strength of oxoacids of chlorine is in order: 

Q10

The dipole moments of the given molecules are such that: