MCQOPTIONS
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| 1. |
Which of the following oxides of nitrogen is the anhydride of nitrous acid [NCERT 1975; AIIMS 1991] |
| A. | \[NO\] |
| B. | \[{{N}_{2}}{{O}_{3}}\] |
| C. | \[{{N}_{2}}{{O}_{4}}\] |
| D. | \[{{N}_{2}}{{O}_{5}}\] |
| Answer» C. \[{{N}_{2}}{{O}_{4}}\] | |