MCQ
Which of the following sequence is correct as per Aufbau principle
- A$3s < 3d < 4s < 4p$
- ✓$1s < 2p < 4s < 3d$
- C$2s < 5s < 4p < 5d$
- D$2s < 2p < 3d < 3p$
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The correct relation between the bond lengths $a$ and $b$ is