MCQOPTIONS
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| 1. |
Two elements X and Y have following electron configurations X \[=1{{s}^{2}},\,\,2{{s}^{2}}2{{p}^{6}},\,\,3{{s}^{2}}3{{p}^{6}},\,\,4{{s}^{2}}\] and Y \[=1{{s}^{2}},\,\,2{{s}^{2}}2{{p}^{6}},\,\,3{{s}^{2}}3{{p}^{6}}\] The compound formed by combination of X and Y is [DPMT 2001] |
| A. | \[X{{Y}_{5}}\] |
| B. | \[{{X}_{2}}{{Y}_{5}}\] |
| C. | \[{{X}_{5}}{{Y}_{3}}\] |
| D. | \[X{{Y}_{2}}\] |
| Answer» E. | |