Question
Chemistry Question on coordination compounds
A compound 'X' on heating gives a colourless gas. The residue is dissolved in water to obtain 'Y'. Excess CO2 is passed through aqueous solution of 'Y', when 'Z' is formed. 'Z', on gentle heating, gives back 'X'. The compound 'X' is
A
(A) NaHCO3
B
(B) Na2CO3
C
(C) Ca(HCO3)2
D
(D) CaCO3
Answer
(D) CaCO3
Explanation
Solution
Explanation: