Anomalous Behaviour of Beryllium
Anomalous Behaviour of Beryllium: Overview
The topic explains the anomalous properties of beryllium. It discusses the diagonal relationship between beryllium and aluminium. It consists of chemical reactions for better understanding.
Important Questions on Anomalous Behaviour of Beryllium
Beryllium and aluminium exhibit many properties which are similar. But, the two elements differ in:
A metal M readily forms water soluble sulphate Water insoluble hydroxide and oxide MO which becomes inert on heating. The hydroxide is soluble in NaOH. Then M is
Beryllium and aluminium halides are used in Friedel Craft reaction.
Beryllium reacts with water and form Beryllium hydroxide.
Beryllium does not react water because
Beryllium does not react with water due to its low ionisation energy.
Why Beryllium and Aluminium halides are used in Friedel Craft's reaction?
Why does Beryllium not react with water?
Give reason why beryllium does not exhibit coordination numbers more than four.
Beryllium does not exhibit coordination numbers more than _____ as in its valence shell there are only four orbitals.
Beryllium does exhibit coordination number more than four.
Write a short note on beryllium oxide.
Like aluminium, beryllium is not readily attacked by acids because of the presence of an oxide film on the surface of the metal. This exhibits _____ between beryllium and aluminium.
Both aluminium and beryllium remain passive towards acids.
Explain how beryllium and aluminium reacts with an acid. Name the phenomenon exhibited by these two metals.
Complete the given reaction of aluminium with sodium hydroxide:
Identify the product of the reaction between beryllium and sodium hydroxide:
Explain the reaction of beryllium with concentrated acid.
Beryllium and aluminium are made passive by concentrated nitric acid.
Explain the inertness of beryllium and aluminium with concentrated acids.
