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Regarding ‘Al’ the wrong statement is
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a
It reacts with both acids and bases
b
Its maximum covalency is ‘6’
c
It is a strong reducing agent
d
It becomes passive with con HCl
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Correct option is D
→ Al reacts with both acids as well as bases,ie.,Al shows amphoteric nature. Sodium meta aluminate→ Al maximum covalency is 6,due to presence of valency empty 3d-orbitals. eg.,→ " Al "acts as strong reducing agent.eg.,Al do not passive with conc.HClSimilar Questions
The bond dissociation energy of BF bond in BF3 is 646 kJ mol–1 whereas that of CF in CF4 is 315 kJ mol–1. The correct reason for higher BF bond dissociation energy as compared to that of CF bond is :
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