How does a complex ion form?
Which element can form complex ion?
How is a complex ion formed by a transition metal?
What is the charge of a complex ion?
How do you find the charge of a complex?
What are examples of complex ions?
Why do complex ions increase solubility?
What is the difference between a complex ion and a precipitate?
What is a complex?
What does a good complex mean?
What are complex words examples?
What is the most complex word in English?
How can you tell if a compound is simple or complex?
How do you turn a sentence into a complex sentence?
Which conjunctions are used in complex sentences?
Do complex sentences need commas?
A complex ion is a species formed between a central metal ion and one or more surrounding ligands, molecules or ions that contain at least one lone pair of electrons. The formation of a complex ion by adding a complexing agent increases the solubility of a compound.
Because the aluminium is forming 6 bonds, the co-ordination number of the aluminium is said to be 6. The co-ordination number of a complex ion counts the number of co-ordinate bonds being formed by the metal ion at its centre….Typical Coordination Numbers:
Metal Ion
6 NH3
Ni(NH3)62+
Transition metals form complex ions by coordinating ligands to the central transition metal atom, by means of donation of lone pairs from the ligand to the transition metal – dative coordinate bonding. The complexes formed have a variety of shapes and cordination numbers.
Since there are three chlorides binding with the complex ion, the charge on the complex ion must be +3 ( since the compound is electrically neutral). From the charge on the complex ion and the charge on the ligands, we can calculate the oxidation number of the metal.
To identify the charge of the complex ion, first identifying the charge/oxidation number for each component (i.e. ligands and metals). You can draw the Lewis structure including the formal charges to figure out whether the ligands carry a charge.
Examples of complex ions are [Fe(H2O)6]2+, [CoCl4]2-, [Cu(NH3)4(H2O)2]2+, [V(H2O)6]3+. Note that the formula of the ion is always written inside square brackets with the overall charge written outside the brackets.
The formation of a complex ion tends to increase the solubility of a salt because the metal cations are removed from the solubility equilibria to form the complex ion.
If the reaction goes to completion the principal species is a complex ion. The precipitate is the principal species if most of the precipitate remains undissolved. If a cation forms a stable complex, the addition of a complexing agent at 1 M or greater generally will convert the free ion to complex ion.
Adjective. complex, complicated, intricate, involved, knotty mean having confusingly interrelated parts. complex suggests the unavoidable result of a necessary combining and does not imply a fault or failure. a complex recipe complicated applies to what offers great difficulty in understanding, solving, or explaining.
A god complex is an unshakable belief characterized by consistently inflated feelings of personal ability, privilege, or infallibility. Someone with a god complex may exhibit no regard for the conventions and demands of society, and may request special consideration or privileges.
A complex word may consist of (1) a base (or root) and one or more affixes (for example, quicker), or (2) more than one root in a compound (for example, blackbird).
A dependent clause contains a subject and a verb, but no complete thought.
A SIMPLE SENTENCE has one independent clause.
A COMPOUND SENTENCE has two independent clauses joined by.
A COMPLEX SENTENCE has one dependent clause (headed by a subordinating conjunction or a relative pronoun ) joined to an independent clause.
A simple sentence can be converted into a complex sentence by expanding a word or phrase into a complex sentence. The complex sentence can be a noun clause, adjective clause or adverb clause.
Complex sentences – Part 1: Conjunctions for complex sentences
contrast although though even though while whereas
reason because since as
time when as soon as while as once until after before
purpose so that
Unnecessary Commas in Complex Sentences Generally, if the dependent clause comes second in a complex sentence, a comma is not used. In the last example, the dependent clause was used before the independent clause, so a comma was placed in this complex sentence.
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