What is the correct name for the compound, P2O5?
2 answers:
Answer : The correct name for the compound, is, Diphosphorous pentoxide.
Explanation :
is a covalent compound because in this compound the sharing of electrons takes place between phosphorous and oxygen. Both the elements are non-metals. Hence, it will form covalent bond.
The naming of covalent compound is given by:
- The less electronegative element is written first.
- The more electronegative element is written second. Then a suffix is added with it. The suffix added is '-ide'.
- If atoms of an element is greater than 1, then prefixes are added which are 'mono' for 1 atom, 'di' for 2 atoms, 'tri' for 3 atoms and so on.
Hence, the correct name for the compound, is, Diphosphorous pentoxide.
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Answer : The change in boiling point is,
Explanation :
Formula used :
where,
= change in boiling point = ?
i = Van't Hoff factor = 3 (for MgI₂ electrolyte)
= boiling point constant for water =
m = molality = 0.615 m
Now put all the given values in this formula, we get
Therefore, the change in boiling point is,