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What is the result when a Lucas test is done on a Phenol?
A positive Lucas test on phenol would indicate that phenol is a strong enough acid to react with Lucas reagent (a mixture of concentrated hydrochloric acid and zinc chloride) to form a cloudy solution or a precipitate. This reaction distinguishes phenol from other alcohols that do not react with the Lucas reagent.
What happens to an elodea leaf when added a phenol red solution?
When an Elodea leaf is added to a phenol red solution, the leaf will release oxygen through photosynthesis. The oxygen will cause the phenol red solution to change color, indicating the presence of oxygen production.
What happens when phenol is overheated?
Phenol should always be stored in a closed container. If it overheats it could build pressure causing it to explode. It could also produce toxic or irritating fumes.
What happens when ozone is heated?
Ozone when heated gets decomposed. It decomposes into oxygen.
What happens to the wire when heated?
it goes up
What happens when phenol reacts with concentrated HNO3 plus H2SO4?
When phenol reacts with concentrated nitric acid (HNO3) in the presence of sulfuric acid (H2SO4), a mixture of products is formed, including picric acid (2,4,6-trinitrophenol) and water. This reaction is known as nitration of phenol and is used to synthesize picric acid, which is a yellow, explosive compound.
How will you convert phenol to 246 trinitrophenol?
To convert phenol to 2,4,6-trinitrophenol (picric acid), you would first nitrate phenol by treating it with a mixture of nitric and sulfuric acids. This will lead to the substitution of hydrogen atoms on the phenol ring with nitro groups, resulting in the formation of the 2,4,6-trinitrophenol compound.
What happens when copper is added to concentrated sulfuric acid and heated gently?
copper sulphate and hydrogen is released.
What happens when ethanol is heated with concentrated sulphuric acid at 170 C?
There is formation of ethoxy ethane. (ether)
What happens when ethanol is heated in presence of concentrated H2SO4?
When ethanol is heated in the presence of concentrated H2SO4, it undergoes dehydration to form ethylene gas. This reaction follows an elimination mechanism where a water molecule is eliminated from ethanol to produce ethylene.
Phenol when it first reacts with conc sulfuric acid and then with conc nitric acid gives?
Phenol reacts with concentrated sulfuric acid to form the sulfonated product, and then with concentrated nitric acid to form picric acid (2,4,6-trinitrophenol).
What is the Prepration of phenyl benzoate from phenol?
To prepare phenyl benzoate from phenol, first convert phenol to phenyl benzoate by reacting it with benzoic acid and a catalyst such as concentrated sulfuric acid or concentrated hydrochloric acid at elevated temperatures. This esterification reaction will yield phenyl benzoate along with water as a byproduct. Purification techniques such as distillation can then be used to isolate the desired product.
What happens when litharge is heated with concentrated h2so4?
When litharge (lead(II) oxide) is heated with concentrated sulfuric acid (H2SO4), lead sulfate (PbSO4) is formed along with water. The reaction is as follows: PbO(s) + H2SO4(l) → PbSO4(s) + H2O(l)
What happens when water is added to phenol?
tribromophenol is formed.
What happens when concentrated sulphuric acid is heated with oxalic acid?
When concentrated sulfuric acid is heated with oxalic acid, oxidation of oxalic acid takes place, giving off carbon dioxide gas and water as byproducts. This reaction can be used to generate carbon dioxide for various applications.
What is the result when a Lucas test is done on a Phenol?
A positive Lucas test on phenol would indicate that phenol is a strong enough acid to react with Lucas reagent (a mixture of concentrated hydrochloric acid and zinc chloride) to form a cloudy solution or a precipitate. This reaction distinguishes phenol from other alcohols that do not react with the Lucas reagent.
What happens when bromine water is added to phenol?
tribromophenol is formed.
