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प्रश्न
Give two example in the following case:
Co-ordinate bond compounds
Give an example in the following case:
Co-ordinate bond compound
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उत्तर १
Ammonium and hydronium ion.
उत्तर २
NH4Cl and NH4NO3
संबंधित प्रश्न
Identify the term/substance in the following:
The electrons present in the outermost shell of an atom.
The following table shows the test a student performed on four different aqueous solutions which are X, Y, Z and W. Based on the observations provided, identify the cation present:
| Chemical test | Observation | Conclusion |
| To solution X, ammonium hydroxide is added in minimum quantity first and then in excess |
A dirty white precipitate is formed which dissolves in excess to form a clear solution |
(1) |
| To solution Y ammonium hydroxide is added in the minimum quantity first and then in excess |
A pale blue precipitate is formed which dissolves in excess to form a clear inky blue solution. |
(2) |
| To solution W a small quantity of sodium hydroxide solution is added and then in excess. |
A white precipitate is formed which remains insoluble. |
(3) |
| To a salt Z calcium hydroxide the solution is added and then heated. |
A pungent smelling gas turning moist red litmus paper blue is obtained. |
(4) |
Give a reason for Inert gases do not form ions.
Why do atoms combine?
Fill in the blank
Coordinate bond is also called __________bond.
Choose the correct answer from the options given below
Which one is coordinate molecule?
By drawing an electron dot diagram, show the lone pair effect leading to the formation of ammonium ion from ammonia gas and hydrogen ion.
Bonding in this molecule can be understood to involve coordinate bonding.
Give reason for the following:
Covalent compounds have a low melting and boiling point.
Identify the following:
A bond formed between two atoms by sharing of a pair of electrons, with both electrons being provided by the same atom.
