Why is the monomeric beryllium hydride unstable? Describe the structure of polymeric beryllium hydride.
The hydrides of beryllium are covalent and polymeric (BeH2)n. has a chain structure containing chains with hydrogen bridges between beryllium atoms Each beryllium atom is bonded to two hydrogen atoms and each hydrogen atom to two beryllium atoms. Now, beryllium has only two valence electrons and hydrogen only one, it is apparent that there are not sufficient electrons to form so many electron pair
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Write down the names of the following complexes:
i) 
ii) [CoCl (NO2) (en)2] Cl
iii) K2(PtCl6]
Explain the tetrahedral structure of chlorine oxide with a bond angle of more than
109º 28'.
In which cases is hydrometallurgy applicable? In such cases, how are the leached out
metals recovered from solution? Explain with suitable examples.
Why suitable reducing agents are required for reduction of metal oxides? What are the
guidelines to choose a particular reducing agent?
Why is the monomeric beryllium hydride unstable? Describe the structure of polymeric beryllium hydride.
Explain giving suitable structures why ionic azides are more stable than covalent azides.
Explain the structures of XeO2F2 and XeOF2 on the basis of VSEPR theory.