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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?
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∙ 12y ago
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∙ 12y ago
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What does Tollens reagent Fehlings solution 2 4-Dinitrophenylhydrazine and Benedicts solution test for and what are the results?
Brady's reagent (2,4-DNP) forms a orange precipitate for all carbonyl compounds (C=O functional group), both aldehydes (primary) and ketones (secondary). However, recrystalisation of the orange precipitate gives characteristic melting points of the crystal for each carbonyl compound (therefore the presence of an orange precipitate indicates a carbonyl compound and the melting point of the crystallised precipitate indicates the type of carbonyl compound; aldehyde or ketone). Tollen's reagent (diamminesilver nitrate solution) is reduced and forms a silver mirror when heated with an aldehyde. It distinguishes between aldehydes and ketones as ketones do not react (no silver mirror formed) as they can not be oxidised further. Fehling's solution (copper II ions in sodium hydroxide) is reduced from a blue solution (Cu II ions) to a brick red precipitate (Cu I ions) when heated in the presence of an aldehyde. Ketones do not react as they can not be oxidised further. The Benedict's test is used in organic chemistry to distinguish between reducing sugars (brick red precipitate formed) and non-reducing sugars (no reaction).
What kind of solute particles are present in a solution of an ionic compound?
The individual particles of an ionic crystal are positive and negative ions.
How is solute a solution not a compound?
Solute is a compound dissolved in a solution.
Is Grain alcohol a element a compound solution or a heterogeneous mixture?
it is compound solution! Yamaha!
Is suspension colloid solution or compound smaller?
compound
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.
Does silver form a positive or negative ion?
Silver for in solution a cation (positive ion, Ag+).A strange compound is AgF3 where silver is trivalent.
What can be determined using a chemical formula. A. the elements that make up the compound B. the pH of a solution C. the boiling point of a compound D. the substances that make up a solution?
A. Almost completely positive.
What does Tollens reagent Fehlings solution 2 4-Dinitrophenylhydrazine and Benedicts solution test for and what are the results?
Brady's reagent (2,4-DNP) forms a orange precipitate for all carbonyl compounds (C=O functional group), both aldehydes (primary) and ketones (secondary). However, recrystalisation of the orange precipitate gives characteristic melting points of the crystal for each carbonyl compound (therefore the presence of an orange precipitate indicates a carbonyl compound and the melting point of the crystallised precipitate indicates the type of carbonyl compound; aldehyde or ketone). Tollen's reagent (diamminesilver nitrate solution) is reduced and forms a silver mirror when heated with an aldehyde. It distinguishes between aldehydes and ketones as ketones do not react (no silver mirror formed) as they can not be oxidised further. Fehling's solution (copper II ions in sodium hydroxide) is reduced from a blue solution (Cu II ions) to a brick red precipitate (Cu I ions) when heated in the presence of an aldehyde. Ketones do not react as they can not be oxidised further. The Benedict's test is used in organic chemistry to distinguish between reducing sugars (brick red precipitate formed) and non-reducing sugars (no reaction).
What kind of solute particles are present in a solution of an ionic compound?
The individual particles of an ionic crystal are positive and negative ions.
Is a scaline solution a compound?
Since it is a solution it is not a compound but a mixture.
How is solute a solution not a compound?
Solute is a compound dissolved in a solution.
Is sugar solution a compound or mixture?
It's a solution, since the sugar is dissolved in water.
How do you get a chemical solution?
When one compound dissolves into another compound, it becomes a solution.
When Magnesium chloride is a ionic compound and Hcl is acovalent compound but both form ion in aqueos solution Explain?
because hcl is a polar covalent compound therefore it results in a fractional negative and positive on them .thus it ionize in water.
When the ionic compound KI is dissolved in water the you- ions are pulled into solution by the attraction between?
When the ionic compound of potassium ions are dissolved in water the hydroxyl ions of water which are negatively charged, will attract the positive potassium ions.
What is the chemical test to differentiate between Ethanal and Propanone?
ethanal and propanone both are carbonyl compounds but ethanal shows reducing properties due to presence of hydrogen on carbonyl group it reduces tollens fehling solution schiffs reagent
