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प्रश्न
Account for the following observations:
AlCl3 is a Lewis acid
उत्तर
ln a AlCl3, Aluminium is bonded to 3 chlorine atoms through three covalent bonds and six electrons are shared in the structure. To have complete Octet, AlCl3 lacks two electrons and hence act as an electron acceptor substance or Lewis acid.
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संबंधित प्रश्न
Write reactions to justify amphoteric nature of aluminium.
What happens when Borax is heated strongly.
What happens when Boric acid is added to water?
What happens when Aluminium is treated with dilute NaOH?
Give reason for Conc. HNO3 can be transported in aluminium container.
Give reasons: A mixture of dilute NaOH and aluminium pieces is used to open drain.
Give reasons: Aluminium alloys are used to make aircraft body.
Give reasons: Aluminium utensils should not be kept in water overnight.
When metal X is treated with sodium hydroxide, a white precipitate (A) is obtained, which is soluble in excess of NaOH to give soluble complex (B). Compound (A) is soluble in dilute HCl to form compound (C). The compound (A) when heated strongly gives (D), which is used to extract the metal. Identify (X), (A), (B), (C) and (D). Write suitable equations to support their identities.
Explain the following:
Gallium has higher ionisation enthalpy than aluminium.
