# 4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy.

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4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is

(1) 5f > 6p > 5p > 4d

(2) 6p > 5f > 5p > 4d

(3) 6p > 5f > 4d > 5p

(4) 5f > 6p > 4d > 5p
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Chemical bonding and molecular structure, Valence Shell Electron Pair Repulsion (VSEPR)