Carboxylic acids and derivatives — Chemistry 9701 AS & A Level Question & Worked Solution

(a(i))[1]

Suggest the formula for reducing agent Q.

(a(ii))[1]

Complete the equation to show the reduction of propanoic acid to propan-1-ol. Represent one hydrogen atom from Q with [H]. $\ldots\ldots\text{CH}_3\text{CH}_2\text{COOH} + \ldots\ldots[\text{H}] \rightarrow \ldots\ldots$

(b(i))[1]

Name the type of reaction that occurs in step 1.

(b(ii))[1]

Identify the reagent and conditions needed in step 2.

(b(iii))[2]

Construct an equation to show the reaction of butanenitrile with $\text{NaOH}$(aq) in step 3.

(b(iv))[1]

Name the type of reaction that occurs in step 3.

(c(i))[1]

Identify the type of hybridisation shown in the saturated carbon atoms of all alcohols.

(c(ii))[1]

Identify the gas produced when $\text{Na}(\text{s})$ is added to separate samples of each alcohol.

(c(iii))[1]

Describe the role of $\text{Na}(\text{s})$ when it reacts with alcohols.

(d(i))[1]

Deduce the structure of $A$.

(d(ii))[1]

Deduce one possible name for $B$.

(d(iii))[1]

Deduce the identity of $C$.

Carboxylic acids and derivatives — practice question

Worked solution & mark scheme