The number of 2-centre-2-electron and 3-center-2-electron bonds in B |
|||

(a) |
2 and 4 |
(b) |
2 and 1 |

(c) |
2 and 2 |
(d) |
4 and 2 |

The number of 2-centre-2-electron and 3-center-2-electron bonds in B |
|||

(a) |
2 and 4 |
(b) |
2 and 1 |

(c) |
2 and 2 |
(d) |
4 and 2 |

127