The H-O bond angle in H,C-O (formaldehyde) is approximately (b) 109° (c) 120° (d) 108°.
How would the bond strength of the C=C double bond in the corresponding alkene compare to that of a C-C single bond?
The double bond would have the same strength as the single bond.
The double bond would be stronger than, but less than twice as strong as the single bond.
The double bond would have exactly twice the strength of the single bond.
The double bond would have more than twice the strength of the single bond.
What is the total number of pi bonds found in the following compound?
C=C
10. Which one of the statements is TRUE concerning the structures [ ta V?
CH3
It has another and IV has a ketone functional group.
IV has an ether and a ketone group.
IV has an ether and a ketone group.
It is an ether and IV has a ketone functional group.
12. Look at the following structures carefully and select the most appropriate statement about them.
All of them are structural isomers.
All of them are geometrical isomers.
IV and V are structural isomers.
I and II are structural isomers.
IV and V are structural isomers.
II and III are structural isomers.