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प्रश्न
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Potassium ferrocyanide
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उत्तर
Potassium ferrocyanide
Acidic radical [Fe(CN)6]4-
Basic radical K1+
Chemical formulae K4[Fe(CN)6]
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संबंधित प्रश्न
A liquid compound X of molecular mass 18 u can be obtained from a number of natural sources. All the animals and plants need liquid X for their survival. When an electric current is passed through 200 grams of pure liquid X under suitable conditions, then 178 grams of gas Y and 22 grams of gas Z are produced. Gas Y is produced at the positive electrode whereas gas Z is obtained at the negative electrode. Moreover, gas Y supports combustion whereas gas Z burns itself causing explosions.
- Name (i) liquid X (ii) gas Y, and (iii) gas Z.
- What is the ratio of the mass of element Z to the mass of element Y in the liquid X ?
- Which law of chemical combination is illustrated by this example ?
- Name two sources of liquid X.
- State an important use of Y in our life.
Fill in the following blank with suitable word :
The particle which is formed by the gain of electrons by an atom is called ..............
Explain the formation of (i) sodium ion, and (ii) chloride ion, from their respective atoms giving the number of protons and number of electrons in each one of them. What is the reason for positive charge on a sodium ion and a negative charge on a chloride ion ?
What is an ion ? How is an ion formed ? Explain with the help of two examples of different ions.
Give example.
Composite radicals
Give example.
Bivalent acidic radicals
What do you understand by the following terms?
Acid radical
State if the following element or radical is divalent?
Lithium
State if the following element or radical is divalent?
Nitride
State if the following element or radical is divalent?
Carbide
