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Solution


Q.

Number of molecules from below which cannot give iodoform reaction is:

Ethanol, Isopropyl alcohol, Bromoacetone, 2-Butanol, 2-Butanone, Butanal, 2-Pentanone, 3-Pentanone, Pentanal and 3-Pentanol         [2025]
1 5  
2 4  
3 3  
4 2  

Ans.

(2)

Butanal, 3-pentanone, pentanal and 3-pentanol do not give iodoform test.