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Factors Affecting Electrolysis

50. How addit...

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50. How addition of an electronegative elements or removal of an electropositive elements is oxidation.

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Q. Assertion :Conversion of potassium ferrocyanide to potassium is an oxidation process. Reason: Oxidation is the additon of oxygen / electronegative element to a substance or removal of hydrogen / electropositive element from a substance.

Q. How to determine whether the element is electropositive or electronegative ?

Q. An element X is strongly electropositive and an element Y is strongly electronegative. Both are univalent. The compound formed by their combination contains :

Q. Electronegativity and electropositivity are two trends of the elements of the modern periodic table where:
A. Electropositive character of elements decreases moving down a group.
B. Electronegative character of elements increases moving down a group.

Q. The necessary condition(s) for formation of ionic bond is/are:
(i) Low ionisation energy of electropositive element
(ii) Low ionisation energy of electronegative element
(iii) High electron affinity of electropositive element
(iv) High electron affinity of electronegative element

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Factors Affecting Electrolysis

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