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Reducing Nature of Alkali Metals

Lithium carbo...

Question

Lithium carbonate is stored in an atmosphere of CO₂. Explain giving reasons.

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Solution

$L i t h i u m c a r b o n a t e i s t h e r m a l l y u n s t a b l e . I t g e t s d e c o m p o s e d t o L i t h i u m o x i d e a n d c a r b o n d i o x i d e . L i_{2} C O_{3} \to L i_{2} O + C O_{2} W h e n t h e y a r e s t o r e d i n t h e a t m o s p h e r e o f c a r b o n d i o x i d e, t h e c o n c e n t r a t i o n o f [C O_{2}] i n c r e a s e s i n t h e r i g h t s i d e, m a k i n g t h e r e a c t i o n t o s h i f t t o w a r d s b a c k s i d e . L i_{2} C O_{3} \leftrightarrow L i_{2} O + C O_{2} S o t h a t t h e d e c o m p o s i t i o n o f l i t h i u m c a r b o n a t e i s p r e v e n t e d .$

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Reducing Nature of Alkali Metals

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