Thermal decomposition of a compound (X) yields a basic oxide (Y) and an acidic oxide (Z) simultaneously.The acidic oxide (Z) can be absorbed by alkalineKOH then X,Y,Z are respectively:
A
CaHCO3,O2,CO2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
CaO,MgO,CO2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
CaCO3,CaO,CO2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
cannot be identified
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is DCaCO3,CaO,CO2
Option (C) is correct.
CaCO3[X]→CaO[Y]+CO2[Z]
CaO is basic oxide and CO2 is acidic oxide.
KOH is a strong base (alkali) and CO2 is an acidic oxide. So, the two readily react to form salt and water.