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प्रश्न
[Fe(CN)6]4- is a coordination complex ion.
Is the complex ion diamagnetic or paramagnetic?
उत्तर
Fe2+ (3d6) has no unpaired electrons, it is diamagnetic.
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संबंधित प्रश्न
Fill in the blanks by choosing the appropriate word/words from those given in the brackets:
(iodoform, acetaldehyde, positive, greater, acidic, acetone, disaccharide, negative, increases, glucose, decreases, chloroform, polysaccharide, lactose, lesser, basic, cationic hydrolysis, anionic hydrolysis)
Calcium acetate on heating gives ________ which gives _______ on heating with iodine and sodium hydroxide solution.
When ammonium chloride and ammonium hydroxide are added to a solution containing both Al3+ and Ca2+ ions, which ion is precipitated first and why?
How many sodium ions and chloride ions are present in a unit cell of sodium chloride crystal?
Name the law or principle to which the following observations confirm:
When ammonium chloride is added to a solution of ammonium hydroxide, the concentration of hydroxyl ion decreases.
Explain the following:
The pH value of acetic acid increases on the addition of a few drops of sodium acetate.
For the coordination complex ion [Co(NH3)6]3+
Give the IUPAC name of the complexion.
For the coordination complex ion [Co(NH3)6]3+
State the type of hybridisation of the complexion.
How can the following conversion be brought about:
Acetic acid to methylamine.
[Fe(CN)6]4- is a coordination complex ion.
Write the IUPAC name of the complex ion.
Explain why:
(1) Acetaldehyde undergoes aldol condensation but formaldehyde does not.
(2) Acetic acid is a weaker acid as compared to formic acid.
