It is possible to turn aldehydes and ketones into alkenes via the Wittig reaction.
<h3><u>What is wittig reaction ?</u></h3>
- The Wittig Reaction: It is possible to turn aldehydes and ketones into alkenes via the Wittig reaction, which is a practical process.
- Georg Wittig, its creator, received the 1979 Nobel Prize in Chemistry for it (along with the father of hydroboration, H.C. Brown).
- A carbonyl molecule (aldehydes and ketones both function, but esters or amides do not) and a fairly peculiar-looking species known as a ylide are the two ingredients in this reaction. (more precisely, a "phosphonium ylide," as there are also ylides of nitrogen and sulfur).
- An ylide is a species having opposing formal charges on nearby atoms, according to technical definition. The ylide, which we shown above with a double bond between carbon and phosphorus, also has a significant resonance form with a positive charge on phosphorus and a negative charge on carbon.
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I cannot answer this question exactly if the choices are not given. There is obviously more to this question. However, I can still give an idea about the vapor pressure of water and acetone. Acetone is a liquid ketone. It is more volatile compared to water. Therefore, you will expect acetone to have a lower vapor pressure than water. With the same conditions and same amount of initial volume, at a certain amount of time, the amount of liquid left in the container for water than acetone. This is because most of the acetone has already vaporized.
The answer is: 18 neutrons
Explanation:
An atom of chlorine-35 contains 18 neutrons (17 protons + 18 neutrons = 35 particles in the nucleus) while an atom of chlorine-37 contains 20 neutrons (17 protons + 20 neutrons = 37 particles in the nucleus). Adding or removing a neutron from an atom's nucleus creates isotopes of a particular element.
Se2- has 34 protons and 36 electrons so it gets a 2- charge.
Mole ratio would be: C/B = 1/3
In short, Your Answer would be 1:3
Hope this helps!