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प्रश्न
In context with beryllium, which one of the following statements is incorrect?
विकल्प
It is rendered passive by nitric acid
It forms Be2C
Its salts are rarely hydrolysed
Its hydride is electron deficient and polymeric
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उत्तर
Its salts are rarely hydrolysed
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संबंधित प्रश्न
Discuss the general characteristics and gradation in properties of alkaline earth metals.
The product obtained as a result of a reaction of nitrogen with CaC2 is ______.
Discuss briefly the similarities between beryllium and aluminium.
Discuss the trend of the following:
Thermal stability of carbonates of Group 2 elements.
Why are BeSO4 and MgSO4 readily soluble in water while CaSO4, SrSO4 and BaSO4 are insoluble?
What is the structure of BeCl2 molecule in gaseous and solid state?
Among the following alkaline earth metal halides, one which is covalent and soluble in organic solvents is ______.
Given below are two statements:
Statement I: Colourless cupric metaborate is reduced to cuprous metaborate in a luminous flame.
Statement II: Cuprous metaborate is obtained by heating boric anhydride and copper sulphate in a non-luminous flame.
In the light of the above statements, choose the most appropriate answer from the options given below.
MgBr2 and Mgl2 are soluble in acetone because of ______.
PbCl4 exists but PbBr4 and Pbl4 do not because of ______.
