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Reyana09
@reyana09
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Joined: Nov 16, 2021
Last seen: Dec 29, 2021
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Answer to: The oxidation state of Fe in Fe3O8 is

Correct answer: (d) Explanation: Fe3O8 3x - 16 = 0 ∴ x =

4 years ago
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Answer to: Which of the following is the strongest reducing agent in aqueous medium? (a) Mg (b) Na (c) Li (d) Ca

Correct answer: (c) Li Explanation: In an aqueous medium, Li is the strongest reducing agent, since the high negative enthalpy of hydration compen...

4 years ago
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Answer to: The oxidation number of Fe in Na2[Fe(CN)5NO] is

Answer is (a) +2 Explanation: Given, Oxidation state of Fe = +2

4 years ago
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Answer to: The standard electrode potentials of four elements A, B, C and D are -3.05, -1.66, -0.40 and +0.80. The highest chemical reactivity will be exhibited by

Correct answer: (a) A Explanation: Standard electrode potential i.e. reduction potential of A is minimum (-3.05V) i.e. its oxidation potential is ...

4 years ago
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Answer to: In the following reaction 4P + 3KOH + 3H2O → 3KH2PO2 + PH3

Correct answer: (a) phosphorus is both oxidised and reduced. Explanation: 4P + 3KOH + 3H2O → 3KH2PO2 + PH3 O.N of P = 0, In KH2PO2 it is + 1, ...

4 years ago
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