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Byju's Answer
Standard VIII
Chemistry
Ions- Cations and Anions
Carbonate ion...
Question
Carbonate ion is also known as a:
A
monovalent ion
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B
trivalent ion
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C
divalent ion
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D
pentavalent ion
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Solution
The correct option is
C
divalent ion
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State the examples of monovalent, divalent, trivalent and tetravalent elements, compounds and ions.
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Consider the following ionisation reactions:
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(
k
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−
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If monovalent positive ion of A, divalent positive ion of B and trivalent positive ion of C have zero electron. Then incorrect order of corresponding I.E. is :
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(a) What is the difference between monatomic ions and polyatomic ions?
(b) Give two examples of trivalent metal ions.
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In a cubic packed structure of mixed oxides, the lattice is made up of oxide ions, one fifth of tetrahedral voids are occupied by divalent
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