MCQOPTIONS
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MCQOPTIONS
| 1. |
In which reaction there is a change in valency [NCERT 1971; CPMT 1971] |
| A. | \[2N{{O}_{2}}\,\to \,\,{{N}_{2}}{{O}_{4}}\] |
| B. | \[2N{{O}_{2}}+{{H}_{2}}O\,\to \,HN{{O}_{2}}+HN{{O}_{3}}\] |
| C. | \[N{{H}_{4}}OH\,\to \,NH_{4}^{+}+O{{H}^{-}}\] |
| D. | \[CaC{{O}_{3}}\,\to \,CaO+C{{O}_{2}}\] |
| Answer» C. \[N{{H}_{4}}OH\,\to \,NH_{4}^{+}+O{{H}^{-}}\] | |