Formalin is an aqueous solution of:
Correct answer: B. Formaldehyde
- A. Acetic acid
- B. Formaldehyde
- C. Formic acid
- D. Acetone
Explanation
Formalin is the common name for a saturated aqueous solution of formaldehyde, typically containing 37-40% formaldehyde by mass. It is widely used as a preservative and disinfectant.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Aldehydes and Ketones
Aldehydes and ketones contain the polar carbonyl group, but aldehydes are generally more readily oxidised and more reactive than ketones. Coverage includes preparation by oxidation or reduction routes, nucleophilic addition of reagents such as hydrogen cyanide and bisulfite, and tests that distinguish aldehydes from ketones.
Practise Aldehydes and Ketones
679 free Aldehydes and Ketones MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Chemistry questions like this
Chemistry is on 14 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Aldehydes and Ketones questions
What is the IUPAC name for the compound CH₃CH(CH₃)COCH₃?
Which of the following is an aromatic aldehyde?
The common name for 2-propanone is:
The carbonyl carbon in aldehydes and ketones is:
Which of the following has the highest boiling point?
Aldehydes and ketones are generally soluble in water because: