Which of the following is NOT a divalent ion ?
(a) Sulphate
(b) Nitrate
(c) Hydrogen Phosphate
(d) Carbonate
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2
Answer:
carbonate
Explanation:
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Answer:
(b) Nitrate is not a divalent ion.
Explanation:
Correct answer:
(b) Nitrate is not a divalent ion, it is a monovalent ion.
the formula of nitrate is NO₃⁻ which means the valency of nitrate is -1.
Whereas, (a) sulphate is divalent because according to its formula SO₄²⁻ its valency is -2 which means its a divalent ion.
(c) Hydrogen phosphate has also divalency, HPO₄²⁻ which it will accept 2 electrons to fulfill its valency.
Formula of (d) carbonate is CO₃²⁻, hence it is also divalent in nature.
∴ (b) Nitrate is the only divalent ion in the above mentioned question.
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