Hydrolysis of CH3CH2CN with dilute HCl produces which compound?
CH3COOH
CH3CH2CH2NH3
CH3CH2COOH
CH3CH2COH
Did this page help you?
Syllabus Edition
First teaching 2023
First exams 2025
Hydrolysis of CH3CH2CN with dilute HCl produces which compound?
CH3COOH
CH3CH2CH2NH3
CH3CH2COOH
CH3CH2COH
Did this page help you?
The equation shows a chemical reaction
CH3CH2CHClCH3 + CN– CH3CH2CH(CH3)CN + Cl–
What is the name for this type of reaction?
Nucleophilic substitution
Electrophilic substitution
Free radical substitution
Nucleophilic addition
Did this page help you?
What are the reagents needed in the reaction of 1-bromopropane to butanenitrile?
KCN
Ethanol and heat
KCN, ethanol and heat
KCN and ethanol
Did this page help you?
What are the products in the reaction of ethanenitrile and hydrochloric acid?
Propanoic acid and ammonia
Propanoic acid and ammonium chloride
Ethanoic acid and ammonia
Ethanoic acid and ammonium chloride
Did this page help you?
What are the products in the reaction of ethanenitrile and sodium hydroxide?
Sodium propanoate and ammonia
Sodium propanoate ammonium chloride
Sodium ethanoate and ammonia
Sodium ethanoate and ammonium chloride
Did this page help you?
Which one of the following reactants would not produce a nitrile in a one-step reaction?
Amides
Aldehydes
Halogenoalkanes
Alkanes
Did this page help you?
Which of the following reactions would produce 2-hydroxy-2-methylpropanenitrile?
Ethanal + Sulphuric acid
Propanone + Hydrogen cyanide
Ethanal + Ammonia
Propanone + Ammonia
Did this page help you?
Reactions were carried out to produce nitriles. Which combination of reactants and reagents is not correct?
Reactant |
Reagent |
|
A |
Halogenoalkane |
Potassium cyanide and ethanol |
B |
Amide |
Phosphorus (V) oxide |
C |
Aldehyde |
Hydrogen cyanide |
D |
Ketone |
Ammonia |
Did this page help you?
The following equations show reactions with nitrogen compounds. Which one correctly shows the hydrolysis of nitriles with dilute acid?
CH3CN + HCl + 2H2O CH3COOH + NH3Cl
CH3CN + HCl + 2H2O CH3COOH + NH4Cl
CH3CN + HCl + H2O CH3COOH + NH4Cl
CH3CN + HCl + 2H2O CH3COOHCl + NH3
Did this page help you?
The following equations show reactions with nitrogen compounds. Which one correctly shows the hydrolysis of nitriles with dilute sodium hydroxide?
CH3CN + NaOH + H2O CH3COONa + NH3
CH3CN + NaOH + 2H2O CH3COONa + NH3
CH3CN + NaOH + H2O CH3COONa + NH4
CH3CN + NaOH + 2H2O CH3COONa + NH4
Did this page help you?
What is the correct two-step synthesis to produce 2-hydroxybutanenitrile from propan-1-ol?
1) NaCl / H2SO4
2) NaCN / Ethanol
1) NaCN / Ethanol
2) NaCl / H2SO4
1) NaCN (aq) / H+ (aq)
2) K2Cr2O7 / H2SO4 under distillation
1) K2Cr2O7 / H2SO4 under distillation;
2) NaCN (aq) / H+ (aq)
Did this page help you?
Butanone can undergo addition when mixed with NaCN (aq) / H+ (aq), forming product Z. Product Z can then undergo hydrolysis when heated with dilute HCl, forming product Y.
Which compound is product Y?
2-hydroxypentanoic acid
2-hydroxybutylamine
2-methyl-2-hydroxybutanoic acid
2-ethyl-2-hydroxypropylamine
Did this page help you?
A student wanted to produce a hydroxynitrile. Which types of reactions, reactants and reagents are shown in the table would correctly describe this reaction?
Type of reaction |
Reactants |
Reagents |
|
A |
Addition |
Aldehyde |
HCN |
B |
Hydrolysis |
Halogenoalkane |
Ethanolic NH3 |
C |
Substitution |
Ketone |
HCN |
D |
Addition |
Halogenoalkane |
KCN, ethanol |
Did this page help you?
What would X, Y and Z be in the following reaction sequence?
X |
Y |
Z |
|
A |
CH3CH2CH2K |
CH3CH2CH2COONa |
CH3CH2CH2COOH |
B |
CH3CH2CH2CN |
CH3CH2CH2COONa |
CH3CH2CH2COOH |
C |
CH3CH2CH2K |
CH3CH2CH2COOH |
CH3CH2CH2COONa |
D |
CH3CH2CH2CN |
CH3CH2CH2COOH |
CH3CH2CH2COONa |
Did this page help you?