I am having trouble on this please help
Indicate which of these statements is true? For those that are false,.explain why
a) addition reactions always involve compounds with multiple bonds
b) all addition reactions produce polymers, but not all polymers are addition polymers
c) all addition polymers are based on reaction between molecules with multiple bonds
d) addition polymers must contain double bonds
To determine which of the statements is true, let's examine each one and the concepts behind them:
a) addition reactions always involve compounds with multiple bonds
To verify this statement, we need to recall the nature of addition reactions. Addition reactions involve the combining of molecules or atoms to form a larger molecule without the removal of any atoms. While it is true that many addition reactions involve compounds with multiple bonds, it is not always the case. Addition reactions can also occur with compounds that contain a single bond. Therefore, statement a) is false.
b) all addition reactions produce polymers, but not all polymers are addition polymers
This statement addresses the relationship between addition reactions and polymers. Addition polymers are a specific type of polymer formed through an addition reaction. However, not all polymers are formed through addition reactions. Polymers can also be produced through condensation reactions, which involve the removal of small molecules like water or alcohol. Since not all polymers are formed by addition reactions, statement b) is true.
c) all addition polymers are based on the reaction between molecules with multiple bonds
To assess this statement, we need to understand the formation of addition polymers. Addition polymers are typically formed by the repeated addition of monomers, which are molecules with reactive double or triple bonds. However, not all addition polymers are exclusively based on the reaction between similar monomers with multiple bonds. Some addition polymers can be formed from monomers with a single bond. Thus, statement c) is false.
d) addition polymers must contain double bonds
For this statement, we need to consider the nature of addition polymers. Addition polymers are formed by the addition of monomers without the elimination of any atoms. These monomers often possess reactive double or triple bonds that can participate in the addition reaction. However, it is not a requirement for all addition polymers to contain double bonds. Some addition polymers may involve monomers with single bonds that undergo addition reactions. Therefore, statement d) is false.
In summary:
- Statement a) is false because addition reactions can involve compounds with single bonds as well.
- Statement b) is true because not all polymers are formed by addition reactions.
- Statement c) is false because addition polymers can be formed from monomers with single bonds.
- Statement d) is false because addition polymers do not always contain double bonds.