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1. Which of the following statements are correct in case of the carbonyl bond between carbon and oxygen?
A. Carbon is the nucleophilic centre and Oxygen is the electrophilic centre.
B. Oxygen is the nucleophilic centre and Carbon is the electrophilic centre.
C. Carbon and Oxygen double bond is polarised.
D. Both 'b' and 'c' are correct
2. How many structures can compound with molecular formula 'C3H6O' have?
A. 6
B. 3
C. 5
D. 4
3. What is the common name of 2-methyl-propanal?
A. formaldehyde
B. Isobutyraldehyde
C. carbaldehyde
D. acetaldehyde
4. Write the IUPAC name of (CH3)2CCHO?
A. 2,2-Dimethylpropanal
B. 3-Hydroxypropanal
C. But-3-en-2-one
D. None of these
5. Among the following functional groups, which of these is not a carbonyl compound?
A. alcohols
B. aldehydes
C. Carboxylic acid
D. ketones
6. Acetone is isomeric to:
A. n-propyl alcohol
B. propanal
C. ethyl methyl ether
D. isopropyl alcohol
7. The IUPAC name of CH3CHO is:
A. Acetaldehyde
B. Ethanal
C. Formaldehyde
D. Methanal
8. What is the IUPAC name of Acrolein?
A. pent-2-enal
B. but-1-enal
C. prop-2-enal
D. but-2-enal
9. Which of the following statement about C=O and C=C is correct?
A. Both consist of a sigma and pi bond
B. C=O is polar but C=C is non-polar
C. Both a and b are correct
D. Both C=O and C=C undergo nucleophilic addition reactions
10. Propanone and prop-2-en-1-ol are examples of which type of isomerism?
A. Functional isomers
B. Chain isomers
C. Tautomers
D. Position isomers
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