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DO Melting points of unsaturated fats and oils are increased by catalytic hydrogenation?
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What would happen to the melting point of rapeseed oil if it was hardened with hydrogen?
The process of hydrogenation saturates the double bonds in an oil, thereby transforming it into a hardened fat devoid of unsaturated fatty acids. Thus, hydrogenated rapeseed oil will have a higher melting point than its original form.
What is the relationship between the melting point of an oil and how unsaturated it is?
manunited
Are unsaturated fats better than saturated fats?
Saturated fats are more stable than unsaturated fats. This is because the C=C double bond in unsaturated fats can react with oxygen in auto-oxidation, hydrogen in auto-hydrogenation and light in photo-oxidation.
What is a characteristic of a unsaturated fats?
They show the following characteristics:they have a high melting point and boiling point.they have only single bonds between their carbon atoms.they have long fatty acid chains.they are usually solids at room temperature.Unsaturated fats remain liquids or oils at room temperature but in cooler temperatures begin to solidify. Hydrogenation of fats (saturating) can cause them to become solids at room temperature.
Why is beef fat a solid at room temperature?
This is because it contains more saturated fatty acids then unsaturated fatty acids. Saturated fatty acids have a higher melting point then unsaturated fatty acids.
What two green house gases increased ice melting in Greenland?
Water in it's gaseous state and carbon dioxide were two gases that caused increased melting in Greenland.
When pressure on a piece ice is increased its melting point will be?
The melting point of ice actually DECREASES with an INCREASE in pressure.
Effect of double bond in fatty acids to its melting point?
double bonds mean the fatty acid is unsaturated and kinky which makes its packing difficult in the phospholipid bilayer and hence this drop the melting point
Why is hydrogenation of vegetable oils also known as hardening of oils?
One of the effects of hydrogenating vegetable oil is to raise the melting temperature, making it a solid instead of a liquid at room temperature.
Is this statement true or false saturated fats tend to be solid at room temperature while unsaturated fats tend to be liquid oils at room temperature?
True. Saturated fats have a higher melting point and tend to be solid at room temperature, while unsaturated fats have a lower melting point and are typically liquid oils at room temperature.
What process by which a solid changes to a liquid is called?
Process involved making a liquid become a solid is freezing the liquid. Therefore the process is called freezing.
How are melting and boiling points affected as altitude is increased?
Boiling point decrease at high altitude.
