Following are structural formulas for phenol and cyclohexanol along with the acid dis- sociation constants for each. OH НО Cyclohexanol pK, 18 Phenol pK, 9.96 Propose an explanation for the fact that phenol is a considerably stronger acid than cyclohexanol.
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- Arrange the following compounds in the increasing order of their acid strength: p-cresol, p-nitrophenol, phenolExplain the following observations :(i) The boiling point of ethanol is higher than that of methoxymethane.(ii) Phenol is more acidic than ethanol.(iii) o- and p-nitrophenols are more acidic than phenol.Phenols are less acidic than carboxylic acids, with values of pKa around 10. Phenols aredeprotonated by (and therefore soluble in) solutions of sodium hydroxide but not by solutions of sodium bicarbonate. Explain how you would use extractions to isolate the three purecompounds from a mixture of p-cresol (p-methylphenol), cyclohexanone, and benzoic acid.
- Explain the following behaviours :(i) Alcohols are more soluble in water than the hydrocarbons of comparable molecular masses.(ii) Ortho-nitrophenol is more acidic than ortho-methoxyphenol.The following three derivatives of succinimide are anticonvulsants that have found use in the treatment of epilepsy, particularly petit mal seizures. Q. Of these three anticonvulsants, one is considerably more acidic than the other two. Which is the most acidic compound? Estimate its pKa and account for its acidity. How does its acidity compare with that of phenol? with that of acetic acid?Provide a stepwise synthesis for benzyl alcohol to benzoic acid (including arrow-pushing mechanisms) Steps: benzyl alcohol - sodium benzoate - benzoic acid Kindly show all the arrow push
- Rank the compunds in the order of increasing acidity.a. Phenol, p-methylphenol, p-(trifluoromethyl)phenolb. Benzyl alcohol, phenol, p-hydroxybenzoic acid Illustrate and explain your answerMost alkyl bromide are water-insoluble liquids. But when the following alkyl bromide Awas first isolated, its high melting point of 203oC (solid at room temperature) and its water solubility led its discoverers to comment that it behaves more like a salt (hint: like NaCl). Explain the salt-like behavior of compound A in under thirty words.p-Nitrobenzyl alcohol is more acidic than benzyl alcohol but p-Methoxybenzyl alcohol is less acidic. Illustrate your explanation.
- 1. Arrange the following compounds in order of increasing acidity and explain the reason for the arrangement: Ethanoic acid, Butanoic Acid, Benzoic Acid, Salicyclic acid. 2. Arrange the test samples in order of increasing reactivity with sodium bicarbonate? Explain briefly. -Ethanoic acid, Butanoic acid, Benzoic acidExplain the solubility behavior of each compound in water with relevance to their structure. a. Acyl compounds in water-acetic acid (clear colorless solution)-benzoic acid (turbid, cloudy solution)-sodium benzoate (clear colorless solution)(a) Give chemical tests to distinguish between :(i) Propanol and propanone (ii) Benzaldehyde and acetophenone(b) Arrange the following compounds in an increasing order of their property as indicated :(i) Acetaldehyde, Acetone, Methyl tert-butyl ketone (reactivity towards HCN)(ii) Benzoic acid, 3,4-Dinitrobenzoic acid, 4-Methoxybenzoic acid (acid strength)(iii) CH3CH2CH (Br) COOH, CH3CH (Br) CH2COOH, (CH3)2CHCOOH (acid strength)