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Solution


Q.

In the above chemical reaction sequence "A" and "B" respectively are                             [2024]

 
1 H2O,H+and KMnO4  
2 O3,Zn/H2O and KMnO4  
3 H2O,H+ and NaOH(alc)/I2  
4 O3,Zn/H2O and NaOH(alc)/I2  

Ans.

(4)