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Free download in PDF Organic Chemistry Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Aldehydes have which type of smell?
[A]
Fish like smell
[B]
Bitter almond smell
[C]
Pungent smell
[D]
Rotten egg like smell
(2)
What is the name of the process in which aldehyde get oxidise in presence of air?
[A]
Calcination
[B]
Autoxidation
[C]
Cannizzaro reaction
[D]
Baeyer villiger oxidation
(3)
Which of the following aldehyde shows oligomerization?
[A]
Acetaldehyde
[B]
Propanal
[C]
Butanal
[D]
Benzaldehyde
(4)
What will be the product if we add water to the aldehyde?
[A]
Alcohols
[B]
Epoxides
[C]
Geminal diols
[D]
Peroxides
(5)
In Infrared spectroscopy, at what wave number will band of CO bond of aldehyde will occur?
[A]
1500 cm-1
[B]
1495 cm-1
[C]
1965 cm-1
[D]
1700 cm-1
(6)
What is the chemical shift of formyl hydrogen in aldehyde?
(7)
Which of the following aldehyde is present as gas?
[A]
Acetaldehyde
[B]
Formaldehyde
[C]
Butyraldehyde
[D]
Benzaldehyde
(8)
Which of the following compound has more boiling point than aldehyde?
[A]
Alcohol
[B]
Alkanes
[C]
Ketones
[D]
Ether
(9)
Which of the following is the characteristic smell of benzaldehyde?
[A]
Fish like smell
[B]
Bitter almond like
[C]
Pungent smell
[D]
Rotten egg like smell
Answer: Bitter almond like
(10)
Which of the following aldehyde is most soluble in water?
[A]
Acetaldehyde
[B]
Formaldehyde
[C]
Butyraldehyde
[D]
Benzaldehyde
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