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प्रश्न
Beryllium halides are covalent whereas magnesium halides are ionic why?
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उत्तर
Beryllium ion (Be2+) is smaller in size and it is involved in the equal sharing of electrons with halogens to form a covalent bond, whereas magnesium ion (Mg2+) is bigger and is involved in the transfer of electrons to form an ionic bond.
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संबंधित प्रश्न
Which one of the alkaline earth metal carbonates is thermally the most stable?
Which of the following has the highest hydration energy
Assertion: Generally alkali and alkaline earth metals form superoxides.
Reason: There is a single bond between O and O in superoxides.
Substantiate Lithium fluoride has the lowest solubility among group one metal fluorides.
Explain the important common features of Group 2 elements.
When sodium is dissolved in liquid ammonia, a solution of deep blue colour is obtained. The colour of the solution is due to ______.
Discuss the trend of the following:
Thermal stability of carbonates of Group 2 elements.
Assertion (A): Beryllium carbonate is kept in the atmosphere of carbon dioxide.
Reason (R): Beryllium carbonate is unstable and decomposes to give beryllium oxide and carbon dioxide.
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.
