What does meta refers to in sodium meta aluminate ?? What is acid anhydride ??what is condentation degree??

What does meta refers to in sodium meta aluminate ?? What is acid anhydride ??what is condentation degree??


2 Answers

Vikas TU
14149 Points
6 years ago
meta is a classification or a category which here refer the  sodium meta aluminate a very least hydrated form of NaAlO2.
dolly bhatia
54 Points
6 years ago
What does meta refers to in sodium meta aluminate ?
Meta denotes a modification. Meta can signify least hydrated derivative of an acid anhydride. Here, meta is distinguished from ‘ortho’. The Na-aluminate/meta aluminate product covers two substances: NaAlO2 (meta aluminate proper) and NaAl(OH)4 (tetrahydroxo aluminate). Meta comes from condensation degree of aluminate anion: AlO2(-) would be ‘meta’ and AlO3(3-) is ‘ortho’.
What is acid anhydride ?
An acid anhydride is a non-metal oxide which reacts with water to form an acidic solution.
In organic chemistry, an acid anhydride is a functional group consisting of two acyl groups joined together by an oxygen atom.
Acid anhydride also refers to compounds containing acid anhydride functional group.
Acid anhydrides are named from acids which created them. ‘Acid’ part of the name is replaced with ‘anhydride’. For example, the acid anhydride formed from acetic acid would be acetic anhydride.
What is condensation degree?
Condensation is the process of a substance in a gaseous state transforming into a liquid state. This change is caused by a change in pressure & temperature of substance. Condensation point of water is the same as boiling point of water. This occurs at 212 degrees Fahrenheit or 100 degrees Celsius. As you increase water up to and beyond 100 degrees Celsius, water will boil. If you reverse the process and cool water vapour down to and below 100 degrees Celsius, it will condense and return to liquid form.
While condensation occurs at all temperatures between 32 Fahrenheit (0 degrees Celsius) and 212 F (100 Celsius), it is most noticeable when there is a large temperature difference between an object and atmosphere. For example, you may see beads of water on outside of a bucket of ice cream on a hot day. In this case, one can see condensation in action.
However, three hours later, that bucket of ice cream is now melted and water on the outside may be gone. But, condensation is still happening, just at a much smaller and slower rate, so it may not be noticeable.

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