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Which is more polar- chlorophyll a or b?
Chlorophyll a is more polar than chlorophyll b due to the presence of a methyl group in chlorophyll b that increases its overall hydrophobicity, making it less polar compared to chlorophyll a. Consequently, chlorophyll a has a higher affinity for polar solvents and is the primary photosynthetic pigment in plants.
Why RNA can be hydrolyzed by dilute alkali but not DNA?
RNA contains a hydroxyl group on the 2' carbon of its ribose sugar, making it more prone to hydrolysis in alkali conditions. In contrast, DNA lacks this hydroxyl group due to a deoxyribose sugar, making it more stable and resistant to hydrolysis in alkaline conditions.
DNA is more resistant to hydrolysis than RNA what feature of DNA is responsible for this characteristic?
DNA has a deoxyribose sugar, which lacks a hydroxyl group compared to the ribose sugar in RNA. This absence of a hydroxyl group in deoxyribose makes DNA more resistant to hydrolysis because it is less prone to attack by water molecules.
Is glucose hydrophobic?
GLUCOSE IS VERY DEFINITELY POLAR WITH OH (HYDROXYL) GROUPS ALL OVER IT, WHICH ARE THEMSELVES VERY POLAR. THE MOLECULE IS ALSO VERY UNSYMMETRICAL WHICH TENDS TO MAKE IT POLAR. THE FACT THAT GLUCOSE IS EXTREMELY SOLUBLE IN WATER (ANOTHER POLAR SUBSTANCE) SHOWS THAT GLUCOSE IS POLAR SINCE "POLAR DISSOLVES IN POLAR" AND "NONPOLAR DISSOLVES IN NONPOLAR" (LIKE WAX AND GASOLINE)
Is a carbonyl group polar?
Yes, a carbonyl group is polar because there is an electronegativity difference between the oxygen and carbon atoms. The oxygen atom is more electronegative and attracts electron density towards itself, creating a partial negative charge on the oxygen and a partial positive charge on the carbon.
Is methyl chloride more polar than aldehyde?
Yes, methyl chloride is more polar than aldehyde. Methyl chloride is a polar molecule due to the electronegativity difference between carbon and chlorine, while aldehydes are moderately polar due to the carbonyl group.
What is more polar methyl salicylate or salicylic acid?
salicylic acid (an acid) is more polar than methyl salicylate (an ester)
Differentiation polarity of acetone and ethanol?
as ethanol is an alcohol containing polar group in its structure that is OH it is a polar group.As acetone is a carbonyl compound containig two CH3 groups which are non polar and Carbonyl group is slightly polar compared to alcoholic group so ethanol is highly polar than acetone
Is 1-propanol polar?
Isopropyl alcohol is the common name of 2-propanol. The O in the hydroxyl group is more electronegative than the carbon/hydrogen atoms and exerts a greater pull on the electrons, which results in the slight polarity of the compound.
Is isopropyl alcohol more polar than glucose?
Yes, Isopropyl Alcohol is a Polar Molecule.
Is toluene more polar than ethylbenzene?
No, toluene is less polar than ethylbenzene. Toluene has a methyl group attached to the benzene ring, which decreases its overall polarity compared to ethylbenzene, which has an ethyl group attached.
Why 4-nitrophenol more polar than 2-nitrophenol?
4-Nitrophenol is more polar than 2-nitrophenol primarily due to the positioning of the nitro group relative to the hydroxyl group. In 4-nitrophenol, the nitro group is located para to the hydroxyl group, allowing for effective resonance and dipole interactions that enhance polarity. In contrast, in 2-nitrophenol, the nitro group is ortho to the hydroxyl group, where steric hindrance and less effective resonance diminish the overall polarity. As a result, the intermolecular forces in 4-nitrophenol are stronger, contributing to its increased polarity.
Ortho - hydroxyacetophenone vs para - hydroxyacetophenone polarity?
Para-hydroxyacetophenone is more polar than ortho-hydroxyacetophenone due to the position of the hydroxyl group relative to the carbonyl group. In para-hydroxyacetophenone, the hydroxyl group is positioned across from the carbonyl group, leading to stronger hydrogen bonding interactions and increased polarity. This results in differences in physical properties such as solubility and boiling point between the two isomers.
Is hexane an alcohol?
yes it is.
Is alcohol or carbonyl group more polar?
The carbonyl group is generally more polar than alcohol because the oxygen atom in the carbonyl group is more electronegative and attracts electron density towards itself, leading to a greater separation of charge compared to an alcohol group.
What different of alcohols and hydroxyl group?
Alcohols are organic compounds that contain one or more hydroxyl (-OH) groups. The hydroxyl group is a functional group consisting of an oxygen atom bonded to a hydrogen atom. In alcohols, the hydroxyl group is attached to a carbon atom in the molecule, giving the compound its characteristic properties.
Which is more polar- chlorophyll a or b?
Chlorophyll a is more polar than chlorophyll b due to the presence of a methyl group in chlorophyll b that increases its overall hydrophobicity, making it less polar compared to chlorophyll a. Consequently, chlorophyll a has a higher affinity for polar solvents and is the primary photosynthetic pigment in plants.
