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Why iodoform is used for functional group detection test?
Iodoform is used in the iodoform test to detect the presence of a methyl ketone functional group. When Iodoform reacts with a methyl ketone in the presence of a base and acidic conditions, it forms a yellow precipitate of iodoform, which confirms the presence of the CH3CO- group.
An unknown carbonyl compound tested positive when mixed with chromic acid solution it also showed positive results in the iodoform test draw the struture of this compound?
The unknown carbonyl compound is likely a methyl ketone. When reacted with chromic acid, it undergoes oxidation to form a carboxylic acid. In the iodoform test, it forms a yellow precipitate of iodoform (CHI3) due to the presence of a methyl group adjacent to the carbonyl carbon.
What is iodoform test do to 2 butanone?
The iodoform test is used to detect the presence of a methyl ketone. When 2-butanone is treated with iodine and sodium hydroxide, a yellow precipitate of iodoform (CHI3) forms if 2-butanone is present. This test confirms the presence of a methyl ketone functional group in the compound.
What is observed when phenols are used in Baeyers test?
Phenols give a positive test.
Is acetaminophen will give positive result to Lassaigne's test and ferrox paper test?
Acetaminophen is not expected to give a positive result in Lassaigne's test for nitrogen and sodium due to its lack of nitrogen-containing functional groups. Similarly, it is unlikely to give a positive result in the ferrox paper test, which is typically used for detecting the presence of phenols.
Will methanol give a positive result in iodoform test?
No, methanol will not give a positive result in the iodoform test. The iodoform test is specifically used to detect the presence of compounds with the CH3CO- group in them, such as methyl ketones, which are required for a positive reaction.
Would a 2-pentanone give a positive reaction to Iodoform test?
No, 2-pentanone would not give a positive reaction to the Iodoform test. The Iodoform test is specific for methyl ketones (ketones with a methyl group adjacent to the carbonyl), and 2-pentanone does not have this structure. Instead, it has a butyl group adjacent to the carbonyl, which does not lead to the formation of iodoform.
What is the primary alcohol which gives iodoform test?
Ethanol is the only primary alcohol to give the iodoform test due to the presene of methyl group attached to alpha carbon atom.
What is the positive test for iodoform test?
Hi, Iodoform test is used for the detection of methyl ketones as methyl ketones give positive iodoform test. In this test, methyl ketone is treated with iodine (I2) in the presence of base such as sodium hydroxide (NaOH) to give iodoform(CHI3 - a light yellow coloured ppt). Chemistry of iodoform test is: Secondary alcohols also give positive iodoform test because during the reaction conditions, it gets oxidized to a methyl ketone.
What is the chemical test to differentiate between Ethanal and Propanone?
The iodoform test is a chemical test that can differentiate between ethanal and propanone. Ethanal will give a positive iodoform test result, forming a yellow precipitate of iodoform (CHI3) when treated with iodine in the presence of a base like NaOH. Propanone will not give a positive iodoform test result.
Does vanillin gives iodoform test?
Yes, vanillin can give a positive iodoform test. The iodoform test is used to detect the presence of a methyl ketone group attached to a carbon atom adjacent to two other carbon atoms, and vanillin has a structure that can undergo this reaction.
What is the structure of C8H8O compound which gives a positive test of iodoform test and reacts with sodium almagam to yield C8H10O which gave negative iodoform test?
Structure of phenyl acetic acid (C8H8O2) is attached below.
Why iodoform is used for functional group detection test?
Iodoform is used in the iodoform test to detect the presence of a methyl ketone functional group. When Iodoform reacts with a methyl ketone in the presence of a base and acidic conditions, it forms a yellow precipitate of iodoform, which confirms the presence of the CH3CO- group.
An unknown carbonyl compound tested positive when mixed with chromic acid solution it also showed positive results in the iodoform test draw the struture of this compound?
The unknown carbonyl compound is likely a methyl ketone. When reacted with chromic acid, it undergoes oxidation to form a carboxylic acid. In the iodoform test, it forms a yellow precipitate of iodoform (CHI3) due to the presence of a methyl group adjacent to the carbonyl carbon.
In iodoform test can you use ethanol instead of water?
No, you should not use ethanol instead of water when conducting the iodoform test. The test relies on the reaction of iodine with an alcohol in the presence of a base, typically sodium hydroxide, to form iodoform. Water is usually used in the test to help facilitate the reaction. Substituting ethanol for water can affect the outcome of the test.
What is iodoform test do to 2 butanone?
The iodoform test is used to detect the presence of a methyl ketone. When 2-butanone is treated with iodine and sodium hydroxide, a yellow precipitate of iodoform (CHI3) forms if 2-butanone is present. This test confirms the presence of a methyl ketone functional group in the compound.
Did gelatin give positive result with xanthoprotic test?
yes,it give positive test
