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Redox Reactions
Question
Wired Faculty App

Consider the elements:
Cs, Ne, I and F.

(a) Identify the element that exhibits only negative oxidation state.

(b) Identify the element that exhibits only positive oxidation state.

(c) Identify the element that exhibits both positive and negative oxidation states.

(d) Identify the element which exhibits neither negative nor positive oxidation state.

Answer

(i) F (fluorine) exhibits only - ve oxidation state.
(ii) Cs (cesium) exhibits only +ve oxidation state.
(iii) I (iodine) exhibits both +ve and -ve oxidation states.
(iv) (neon) neither exhibits +ve nor - ve oxidation states.

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Some More Questions From Redox Reactions Chapter

What are indirect redox reactions?

Write formulas for the following compounds:
(a) Mercury (II) chloride
(b) Nickel (II) sulphate
(c) Tin (IV) oxide
(d) Thallium (I) sulphate
(e) Iron (III) sulphate
(f) Chromium (III) oxide

What are electrolytes?

What are cations and anions?

What is electrolysis?

Mention two uses of electrolysis.

Define oxidation number of an element.

Differentiate between an ion and an atom.