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- IIT JAM
- Chemistry (CY)
Total number of compounds which gives positive test when react with alkali solution of iodine. h ch,conh2, phcoch, hc-f ), phcooh, ch,ch,coch,ch, ich,coch, oh c
Total number of compounds which gives positive test when react with alkali solution of iodine. H CH,CONH2, PhCOCH, HC-f ), PhCOOH, CH,CH,COCH,CH, ICH,COCH, OH CH CH,-C-CH CHCH,COCl3, CH,CH,OH, CH-CH,COCH OH
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Priyanshu kumar Best Answer
If a compound contains a methyl keto group (CH3CO) or a group that can be easily oxidized to methyl keto group, then it will give yellow precipitate of iodoform when heated with iodine and alkali. If such a group is absent, then no ppt will be obtained.
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check this👇
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Dear ashwin Ist compound will not give positive iodoform test as here CH3CO grp is not pure...it takes part in resonance...
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got it dear??
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please ask if you have any doubt in this😊
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thank you so much sir. Have a nice day
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yes you too dear...please check your previous asked query too ashwin
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Dinesh khalmaniya 1![best-answer]()
Iodoform test is used to check the presence of carbonyl compounds with the structure R-CO-CH3 or alcohols with the structure R-CH(OH)-CH3 in a given unknown substance. The reaction of iodine, a base and a methyl ketone gives a yellow precipitate along with an “antiseptic” smell.
i,ii,iii,vi,viii,x total compounds gives iodoform test
if any doubt you can ask me.
Sir, but in key it is 5