Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
\[{{H}^{+}},{{D}^{+}}\] and\[{{T}^{+}}\] differ in all except in (1) number of electrons (2) number of neutrons (3) electronic configuration (4) ionic massA) 1, 2 and 3 are correct.
B) 1 and 2 are correct.
C) 2 and 4 are correct.
D) 1 and 3 are correct.
Correct Answer: D
Solution :
Protium\[{{(}_{1}}{{H}^{1}}),\]deuterium\[{{(}_{1}}{{D}^{2}})\]and tritium \[{{(}_{1}}{{T}^{3}})\]are the isotopes of hydrogen ie, have one electron.| Species | Number of electrons | Electronic configuration | Number of neutron | Ionic mass |
| \[{{H}^{+}}\] | 0 | \[1{{s}^{0}}\] | 1 ? 0 = 1 | 1 |
| \[{{D}^{+}}\] | 0 | \[1{{s}^{0}}\] | 2 - 0 = 2 | 2 |
| \[{{T}^{+}}\] | 0 | \[1{{s}^{0}}\] | 2 ? 0 = 2 | 3 |
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