MCQ
Coordinate covalent compounds are formed by
- ATransfer of electrons
- BSharing of electrons
- CDonation of electrons
- DNone of these process
Both shared electrons are donated by the same atom . It is also called dative bond or di-polar bond.
Coordinate covalent compound are usually formed in reactions that involve two non-metals such as a hydrogen atom or during bond formation between metals ions and ligands.
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| Column $-I$ | Column $-II$ |
| $(A)$ Ionisation potential | $(P)\; O < F < N$ |
| $(B)$ Electronegativity | $(Q)\; N < O < F$ |
| $(C) \;Z_{eff}$ | $(R) \;O < N < F$ |
| $(D)$ Electron affinity | $(S)\; N < C< O$ |
$(A)$ and $(B)$ are