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Grade: 12th pass
        
Oxalic acid with zinc and H2SO4 gives:
A. Glycol 
B. Glyoxal
C. Glyoxalic acid 
D. Glycolic acid 
3 months ago

Answers : (2)

Vikas TU
9510 Points
							
Dear student 
Oxalic acid with zinc and H2SO4 gives Glycolic acid . 
So, D would be the correct ans 
Hope this helps 
Good luck 
Cheers 
3 months ago
Arun
23036 Points
							
At first you need to know what happens when the first 2 products are heated, only then you can know what gasses pass trough the NaOH solution.
And that is: The weak and hydrated oxalic acid gets dehydrated& decomposed:
(COOH)2. 2H2O + conc. H2SO4 + heat→ CO(gas) + CO2(gas) + [H2SO4.3H2O]
 
Hence glycolic acis is formed
3 months ago
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