A) \[CuS{{O}_{4}}.3{{H}_{2}}O\]
B) \[CuO+S{{O}_{3}}\]
C) \[CuS{{O}_{4}}.{{H}_{2}}O\]
D) \[CuS{{O}_{4}}\]
Correct Answer: C
Solution :
\[\underset{\text{blue}\,\text{vitriol}}{\mathop{CuS{{O}_{4}}.5{{H}_{2}}O}}\,\xrightarrow[-4{{H}_{2}}O]{373\,K}\underset{\text{bluish}\,\text{white}}{\mathop{CuS{{O}_{4}}.{{H}_{2}}O}}\,\xrightarrow[-{{H}_{2}}O]{503\,K}\] \[\underset{\text{white}}{\mathop{CuS{{O}_{4}}}}\,\xrightarrow{1023\,K}CuO+\underbrace{S{{O}_{2}}+{{O}_{2}}}_{S{{O}_{3}}}\]
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