On heating which of the following releases CO 2 most easily-A- K 2 CO 3B- N a 2 CO 3C- MgCO 3D- CaCO 3

The correct option is C MgCO_3Thermal stability order K_2CO_3 gt;Na_2CO_3 gt;CaCO_3 gt;MgCO_3 Therefore MgCO_3 releases CO_2 most easily as it is the lea ...

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Standard XII

Chemistry

Reactivity Trends (Group 2)

On heating wh...

Question

On heating which of the following releases $C O_{2}$ most easily?

M g C O_{3}

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C a C O_{3}

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K_{2} C O_{3}

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N a_{2} C O_{3}

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Solution

The correct option is A $M g C O_{3}$
Thermal stability order
$K_{2} C O_{3} > N a_{2} C O_{3} > C a C O_{3} > M g C O_{3}$
Therefore $M g C O_{3}$ releases $C O_{2}$ most easily as it is the least stable of all the carbonates.
$M g C O_{3} Δ - \to M g O + C O_{2}$

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On heating which of the following releases CO2 most easily?

The correct option is A MgCO3Thermal stability order K2CO3>Na2CO3>CaCO3>MgCO3 Therefore MgCO3 releases CO2 most easily as it is the least stable of all the carbonates. MgCO3Δ−→MgO+CO2

On heating which of the following releases $C O_{2}$ most easily?

The correct option is A $M g C O_{3}$
Thermal stability order
$K_{2} C O_{3} > N a_{2} C O_{3} > C a C O_{3} > M g C O_{3}$
Therefore $M g C O_{3}$ releases $C O_{2}$ most easily as it is the least stable of all the carbonates.
$M g C O_{3} Δ - \to M g O + C O_{2}$