MCQOPTIONS
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MCQOPTIONS
| 1. |
\[X+4{{H}_{2}}O\xrightarrow{{}}Y+Z\] \[X+S\xrightarrow{{}}R\] 'Y? is the magnetic oxide of iron and 'R? is a grey sulphide. |
| A. | X Y Z K \[Fe\] \[F{{e}_{2}}{{O}_{3}}\] \[{{H}_{2}}\] \[FeS\] |
| B. | X Y Z K \[Fe\] \[F{{e}_{2}}{{O}_{4}}\] \[{{H}_{2}}\] \[FeS\] |
| C. | X Y Z K \[Fe\] \[F{{e}_{3}}{{O}_{3}}\] \[{{O}_{2}}\] \[FeS\] |
| D. | X Y Z K \[Fe\] \[F{{e}_{2}}{{O}_{3}}\] \[{{O}_{2}}\] \[FeS\] |
| Answer» C. X Y Z K \[Fe\] \[F{{e}_{3}}{{O}_{3}}\] \[{{O}_{2}}\] \[FeS\] | |