MCQOPTIONS
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| 1. |
Which of the following are iso-electronic [CBSE 2002] |
| A. | \[C{{O}_{2}}\] and \[NO\] |
| B. | \[S{{O}_{2}}\] and\[C{{O}_{2}}\] |
| C. | \[CN\] and \[CO\] |
| D. | \[N{{O}_{2}}\] and \[C{{O}_{2}}\] |
| Answer» D. \[N{{O}_{2}}\] and \[C{{O}_{2}}\] | |