Optical isomers, or enantiomers, rotate plane-polarized light in opposite directions.

Phenols are weak acids due to the ability of the hydroxyl group to donate a proton.

The inductive effect is generally weaker than the mesomeric effect.

The inductive effect does not involve the delocalization of pi electrons; that is characteristic of the mesomeric effect.

Aldehydes are generally more reactive than ketones due to the presence of the hydrogen atom attached to the carbonyl carbon.

Alkynes are more acidic than alkenes due to the sp hybridization of the carbon atoms.

Carboxylic acids have higher boiling points than alcohols due to the ability to form dimers through hydrogen bonding.

Ethers are commonly used as solvents due to their relatively low reactivity and ability to dissolve a wide range of substances.

Ketones cannot form hydrogen bonds with themselves due to the absence of a hydrogen atom attached to the carbonyl carbon.

The mesomeric effect is a permanent effect due to the delocalization of electrons.

Optical isomers, or enantiomers, rotate plane-polarized light in opposite directions.

-I effect withdraws electron density, which can destabilize carbocations and stabilize carbanions.

The inductive effect decreases with distance from the electronegative atom or group.

The mesomeric effect is responsible for the stability of resonance structures due to the delocalization of pi electrons.

Both nuclear magnetic resonance (NMR) and X-ray crystallography are commonly used techniques to determine the three-dimensional structure of proteins.

Gel electrophoresis is a technique used to separate proteins based on their size and charge.

Polyethylene terephthalate (PET) is commonly used in the production of plastic bottles.

Natural rubber is a polymer that is widely used in the production of rubber products.

Teflon is known for its high resistance to heat and chemicals.

Brittleness is not a typical property of elastomers; they are known for their high elasticity and resilience.

The melting point of polymers is primarily affected by their molecular weight; higher molecular weight generally leads to higher melting points.

The addition of water to an alkene is called hydration.

Alkenes readily undergo halogenation due to the presence of a double bond.

Alkynes can undergo hydrogenation, halogenation, and hydrohalogenation.

Hydrogenation is used to convert alkynes to alkenes.

Hydrogenation is the process of adding hydrogen to alkenes to convert them into alkanes.

Dehydrohalogenation of vicinal dihalides can be used to prepare alkynes from alkenes.

Sodium hydroxide (NaOH) can be used to perform nucleophilic substitution, converting haloalkanes into alcohols.

Sodium hydroxide can be used to convert haloalkanes to alcohols through nucleophilic substitution.

Ozonolysis of an alkyne can yield a diketone.