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Halides of Alkali Metals is considered one of the most asked concept.
14 Questions around this concept.
The negative enthalpy of formation for a sodium halide is based on the following trend:
Why lower halides of alkali metals have the same geometry like NaCl?
KBr reacts with ICl to form an ionic solid. What is the solid?
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Alkali metals react with halogens to form metal halides, which are ionic in nature.
The reactivity order of alkali metals towards halogens is:
Ionic nature, solubility in H2O increases while lattice energy decreases.
For example:
These halides are colourless, however, on heating, they become coloured due to nonstoichiometry and crystal defects.
NOTE:
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