Aldehydes, Ketones and Carboxylic Acids questions
1139 published questions with worked solutions.
- Formic acid cannot be halogenated with chlorine in presence of red P, but acetic acid can be, because:
- The splitting of an ester by an alcohol is known as:
- Boiling points of carboxylic acids are:
- The –COOH group in a carboxylic acid can be replaced by 'H' by heating the acid (as its sodium salt) with:
- Alkaline hydrolysis of esters is ......... than acid hydrolysis.
- Acetic anhydride reacts with ammonia to give:
- Main product of the reaction, CH₃CONH₂ + HNO₂ → ......., is:
- What is the end product B in the following sequence of operations: Acetamide (P₂O₅)→ A (4H)→ B?
- Among the following, which has the lowest pKₐ value?
- Formic acid is not a representative member of the carboxylic acid series because:
- An organic acid, when heated strongly with P₂O₅, gave rise to a colourless gas which burns with a pale blue flame. The acid is:
- What is the formula of adipic acid?
- The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of:
- Consider the following reaction: a benzene ring bearing –COCl, treated with H₂/Pd–BaSO₄, gives 'A'. The product 'A' is:
- Decarboxylation of malonic acid gives:
- Self condensation of two moles of ethyl acetate in the presence of sodium ethoxide yields:
- When citric acid is heated at 150 °C, the main product formed is:
- The solvent which can dissolve all the carboxylic acids is:
- Acetic acid vapours, when passed over aluminium phosphate, form:
- CH₃CH₂COOH (Cl₂/Fe)→ X (Alc. KOH)→ Y. The compound Y is:
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