Diagonal Relationship between Beryllium and Aluminum:

5 years ago


Answers : (1)


The ionic radius of Be2+ is estimated to be 31 pm : the charge/ radius ratio is nearly the same as that of the Al3+ ion. Hence beryllium resembles aluminium in some ways. Some of the similarities are:


(i)                  Like aluminum, beryllium is not readily attacked by acids because of the presence of an oxide film on the surface of the metal.

(ii)                Beryllium hydroxide dissolves in excess of alkali to give a beryllate ion, just as aluminium hydroxide gives aluminate ion.

(iii)               The chlorides of both beryllium and aluminium have Cl- bridged chloride structure in vapour phase. Both the chlorides are soluble in organic solvents and are strong Lewis acids. They are used as Friedel Craft catalysts.

(iv)              Beryllium and aluminium ions have strong tendency to form complexes.

5 years ago

Post Your Answer

More Questions On Physical Chemistry

Ask Experts

Have any Question? Ask Experts
Post Question
Answer ‘n’ Earn
Attractive Gift
To Win!!!
Click Here for details
What is the molarity of water
I assume you mean the molar concentration (moles/liter). Also assume for simplicity that the molecular weight of water is 18 gm/mol and the density is 1000gm/liter. You could use more...
Apoorva Arora 2 months ago
Sir please help me balance this equation- Cr(oh)3+IO3^-1-------->I-+CrO4^2-(in basic medium) by ion electron method. Sir it is written in my book to first balance all the atoms other that o...
Cr(OH)3(s) +IO3(-)(aq) -->CrO4(-2)(aq) + I(-)(aq) remember in basic medium firstbalancing of oxidation number then balancing of O atom.Balancing of O atom is made by using H2O and OH-...
Sunil Kumar FP 2 months ago
what is limiting line balmer series ? What does the above line mean?
The Balmer series is the light emitted when the electron moves from shell n to shell 2. So the lowest energy line is emitted in the transition from n = 3 to n = 2, the next line is from n =...
Sunil Kumar FP 2 months ago
Dipole moment = Charge * bond length it simply tellu you whether a bond is polar or not. If it is polar then how much its polarity (% of ionic character). The dipolt moment is vector...
Ramreddy 2 days ago
The mixture of noble gases are separated by which method?
The mixture of noble gases can be separated by the fractionation of liquid air.Baesd on the difference in the melting poing and bioling point these can be separated.When liquid air is...
Sunil Kumar FP 11 days ago
which book is beeter solomon or morrison
ashwini one month ago
View all Questions »