Question

2. The bonds present in carbon monoxide are
l) covalent 2) electrovalent 3) dative 4) covalent and dative
3. Which of the following combination is best explained by the coordinate covalent bond.
1) H2 + I2 2) Mg + 1⁄2O2 3) Cl + Cl 4)H+
+ H2O

4. Which of the following contains coordinate covalent bond.
1) Water (2) Ammonia (3) Ammonium ion 4) Ethylene

Answer 1

2. (4) covalent and dative bond .

3. (4).

4. (3) Ammonium ion.

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