Alcohols, Phenols and Ethers — practice questions
65 curated practice questions from Alcohols, Phenols and Ethers (Chemistry Class 12, CBSE) — 65 easy. Every question includes the final answer free; step-by-step worked solutions with a free account.
- Match the column I with column II and mark the appropriate choice. Column I Column II (A) Catechol (i) (B) Resorcinol…
- An alcohol X on heating with concentrated H 2 SO 4 gives an alkene Y which can show geometrical isomerism. The alcohol…
- Acid catalysed dehydration of t -butanol is faster than that of n -butanol because
- Which of the following reactions will not yield phenol?
- Conversion of phenol to salicylic acid and to salicyaldehyde are known as (respectively)
- Which of the following alcohols will give the most stable carbocation during dehydration?
- Which of the following are the products shown by the reaction of methoxyethane with HI?
- Phenyl methyl ether (anisole) reacts with HI to give phenol and methyl iodide and not iodobenzene and methyl alcohol…
- Ethers have lower boiling points than their corresponding isomeric alcohols because of
- Which of the following reagents are not correctly matched with the reaction?
- Diethyl ether when refluxed with excess of HI gives two molecules of (i) . Ethers can be most commonly prepared by…
- Out of 2-chloroethanol and ethanol which is more acidic and why?
- Consider the following reaction sequence, CH 3 CH(OH)CH 3 [ Heat ] Conc. H _ 2 SO _ 4 X [ H _ 2 O ] dil. H _ 2 SO _ 4 Y…
- Phenol when treated with excess of bromine water gives a white precipitate of
- In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice…
- In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice…
- Which of the following alcohols gives the best yield of dialkyl ether on being heated with a trace of sulphuric acid?
- Which of the following products are not correctly matched in the given reactions?
- Which of the following is not a characteristic of alcohol?
- Match the column I with column II and mark the appropriate choice. Column I Column II (A) Methanol (i) Conversion of…
- Which of the following alcohols reacts most readily with Lucas reagent?
- An alcohol X when treated with hot conc. H 2 SO 4 gave an alkene Y with formula C 4 H 8 . This alkene on ozonolysis…
- Match the column I with column II and mark the appropriate choice. Column I Column II (A) Williamson s synthesis (i) C…
- Picric acid is a yellow coloured compound. Its chemical name is
- Ether is obtained from ethyl alcohol in presence of H 2 SO 4 at
- Match the column I with column II and mark the appropriate choice. Column I Column II (A) Hydrolysis of benzene…
- What happens when tertiary butyl alcohol is passed over heated copper at 300°C?
- An alkene CH 3 CH CH 2 is treated with B 2 H 6 in presence of H 2 O 2 . The final product formed is
- Phosphorus trichloride has a pyramidal shape as shown in the figure: The hybridisation of phosphorus in PCl 3 is
- Which of the following compounds does not react with NaOH?
- Vapours of an alcohol X when passed over hot reduced copper, produce an alkene, the alcohol is
- In the following reaction sequence Z is
- Methyl alcohol is industrially prepared by the action of
- The enzyme which can catalyse the conversion of glucose to ethanol is
- Arrange the following alcohols in order of increasing reactivity towards sodium metal.
- Arrange the following compounds in increasing order of boiling points. Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol.
- Compound C 2 H 6 O has two isomers X and Y . On reaction wth HI, X gives alkyl iodide and water while Y gives alkyl…
- Tertiary butyl alcohol can be prepared by the reaction of
- The reaction between phenol and chloroform in the presence of aqueous NaOH is
- Consider the following reaction taking place on heating with conc. H 2 SO 4 . C _ 12 H _ 22 O _ 11 conc. H _ 2 SO _ 4…
- Which of the following statements is not correct about methanol?
- In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice…
- What type of isomerism exists between the following pairs of compounds? (i) Pentan-1-ol and 3-Methylbutan-1-ol (ii)…
- Correct order of boiling points among following is
- p -Nitrophenol is a stronger acid than phenol while p -cresol is a weaker acid. This can be explained as
- Which of the following is not true in case of reaction with heated copper at 300°C?
- Match the column-I with column-II and mark the appropriate choice. Column I Column II (A) Methanol (i) Ethyl alcohol…
- Assertion : Addition reaction of water to but-1-ene in acidic medium yields butan-1-ol. Reason : Addition of water in…
- Ethers are prepared by the reaction of sodium alkoxides and alkyl halides. Which of the following reagents should be…
- The ether that undergoes electrophilic substitution reaction is
- A primary alcohol, C 3 H 8 O ( A ) on heating with sulphuric acid undergo dehydration to give an alkene, B . B when…
- The decreasing order of boiling points of the following alcohols is
- An organic compound A containing C, H and O has a pleasant odour with boiling point of 78°C. On boiling A with…
- Unlike phenol, 2,4-dinitrophenol is soluble in sodium carbonate solution in water because
- The major product of acid catalysed dehydration of 2-methylcyclohexanol and butan-1-ol are respectively
- A compound C 6 H 14 O 2 has two tertiary alcoholic groups. The IUPAC name of this compound is
- Which of the following is not correctly matched with its uses?
- Which of the following alcohols is dehydrated most easily with conc. H 2 SO 4 ?
- IUPAC name of the compound is
- The C—O—H bond angle in alcohols slightly less than the tetrahedral angle whereas the C—O—C bond angle in ether is…
- 2-Bromo-3,3-dimethylbutane on reaction with aqueous KOH yields X as the major product. X is
- C 5 H 12 O is a monohydric alcohol. How many isomers of the alcohol are possible? How many of these contain chiral…
- Out of benzene and phenol, phenol is more easily nitrated because
- An equimolar quantities of ethanol and propanol is heated with conc. H 2 SO 4 . The products formed are
- There is a large difference in the boiling points of butanal and butan-1-ol due to