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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Differentiate Between the Following with Suitable Examples- a Basic Radical and an Acid Radical - Chemistry

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प्रश्न

Differentiate between the following with suitable examples- A basic radical and an acid radical

फरक स्पष्ट करा
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उत्तर

The positive part is called the basic radical and the negative part is called the acid radical.
A compound maybe consider having –

  1. A positive part [e.g. metal or ammonium ion]
  2. A negative part [e.g. chloride, bromide, sulphate, nitrate etc.]
Compound Positive part - Basic Radical Negative part - Acid radical
Sodium \[\ce{Na+}\] \[\ce{NO3-}\]
Ammonium \[\ce{NH4+}\] `"SO"_4^--`
Sulphate

\[\begin{bmatrix}
\ce{H}\\\ | \\\ce{N}\\\ / \phantom{...}|\phantom{..} \setminus\phantom{.}\\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}
\end{bmatrix}^+\]

 
 

 
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पाठ 4: Atomic Structure - Exercise

संबंधित प्रश्‍न

Write the symbols and valencies of the following radicals:

  1. Magnesium ion 
  2. Ammonium
  3. Carbonate
  4. Nitrate
  5. Oxide 
  6. Bisulphate
  7. Aluminium ion

The valency of calcium is 2. Write the valencies of other radical in the following :

  1. CaO
  2. Ca(OH)2
  3. CaC03
  4. CaCl2

Magnesium and oxygen combine in the ratio of 3 : 2 by mass to form magnesium oxide. What mass of oxygen gas would be required to react completely with 24 g of magnesium ?


A particle P has 18 electrons, 20 neutrons and 19 protons. This particle must be :


Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.

Ferrous sulphide 


Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.

Stannic oxide


Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.

Potassium manganate


State if the following element or radical is divalent?

Ammonium


State if the following element or radical is divalent?

Chromium


Match the names of ions and radicals from 1 to 10 with their correct answer from A to Q.

Column A Column B
1. Hypochlorite A: Hg2+
2. Permanganate B: \[\ce{MnO_4^1-}\]
3. Plumbous C: Sn4+
4. Zincate D: Pb2+
5. Nitride E: Sn2+
6. Mercuric F: Pb4+
7. Stannic G: \[\ce{SO_3^2-}\]
8. Nitrite H: N3-
9. Sulphite I: \[\ce{NO_2^1-}\]
10. Dichromate J: \[\ce{MnO_4^2-}\]
  K: Hg1+
L: \[\ce{SO_4^2-}\]
M: CIO1-
N: \[\ce{ZnO_2^2-}\]
O: \[\ce{Cr_2O_7^2-}\]
P: \[\ce{CrO_4^2-}\]
Q: \[\ce{ClO_3^1-}\]

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