A white solid X on heating produces yellow solid L, reddish brown gas Y and a colourless gas Z. Z is used for roasting and Y is an acidic gas. Identify X, Y, Z and L with suitable reasons. Identify the type of reaction and also write the equation.
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Answer:
Explanation:
carbon dioxide(Z) is an acidic oxide is produced on heating sodium bicarbonate (X) while the formation of sodium carbonate (Y).
2NaHCO
3
(X)→Na
2
CO
3
(Y)+CO
2
(Z)+H
2
O
The carbon dioxide gas is also given out when sodium bicarbonate reacts with an acid.
NaHCO
3
(X)+HCl→NaCl+CO
2
(Z)+H
2
O
The sodium carbonate is formed if caustic soda is left open in the atmosphere.
2NaOH+CO
2
(Atmosphere)→Na
2
CO
3
(Y)+H
2
O
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