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Characteristics of s- Block Elements

The least sta...

Question

The least stable compound is:

N a_{2} C O_{3}

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N a H C O_{3}

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N a C l

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N a_{2} S O_{4}

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Solution

The correct option is C $N a H C O_{3}$
Among the given compounds, sodium bicarbonate is least stable. On heating to a temperature of about 373 K, it forms sodium carbonate, carbon dioxide and water.
$2 N a H C O_{3} 373 K - ---- \to N a_{2} C O_{3} + C O_{2} + H_{2} O$

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N a H C O_{3}

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N a_{2} C O_{3} + 2 H C l \to 2 N a C l + C O_{2} + H_{2} O

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Na2CO3+Hcl,_______≥NaCL+NaHCO3. Na2CO3+HcL________≥NaCL+H2o+CO2 why is it written like that ,is this equation both write?

N a_{2} C O_{3}

N a_{2} C O_{3} B a s e + H C l A c i d \to N a H C O_{3} + N a C l

_{4}

H_{2} S O_{4}

N a_{2} C O_{3}, N a H C O_{3}, N a_{2} S O_{3}, N a_{2} S, N a_{2} S_{2} O_{3}, N a_{2} S O_{4}, N a N O_{2}

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