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Carboxylic acids And Acid Derivatives
Arrange the following in increasing order of acidity and explain your order :
Formic acid, acetic acid, chloroacetic acid
Acetic acid < Fromic acid< Chloroacetic acid
Proton donors are acids. Chlorine is electronegative element, it attracts the electrons towards itself, as a result removal of proton from chloroacetic acid becomes easier. Incase of acetic acid, methyl group is electron doner. Therefore it increases electron density as a result removal of proton becomes difficidt. Formic acid does not have any donor or withdrawing group.
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Carry out the following conversions:
(i) Methyl chloride to acetic acid.
(ii) Benzene to benzoic acid
(iii) Ethanol to acetone.
Give balanced equations for the following:
(i) Glycerol is heated with oxalic acid at 110° C (383K).
(ii) Acetamide is heated with sodium hydroxide.
(iii) Acetone reacts with hydrogen in the presence of heated copper.
Give an example (equation) for each of the following name reactions:
(i) Aldol condensation.
(ii) Reimer-Tiemann reaction.
(iii) Rosenmund’s reductions.
Give one example for each of the following name reactions:
(i) Hell Volhard Zelinsky (HVZ) reaction,
(ii) Clemmensen’s reduction.
Give one good chemical test to distinguish between the following pairs of compounds:
(i) 1 Propanol and 2 Propanol.
(ii) Oxalic acid and benzoic acid.
Arrange the following in increasing order of acidity and explain your order :
Formic acid, acetic acid, chloroacetic acid
How will you bring about the following conversions :
(i) Chloroacetic acid to Glycine.
(ii) Formic acid to Oxalic acid.
(iii) Diethyl ether to ethanol.
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