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Chemical Properties of Alkanes

HOW TO FIND O...

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HOW TO FIND OXIDATION NUMBER OF AN ELEMENT AND DIFFERENCE BETWEEN VALENCY AND OXIDATION NUMBER ?

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Q. Valency and oxidation number of an element is the same number

Q. Which of the following statements does not explain the difference between valency and oxidation number?

Valency and oxidation number are different for an element. Valency of carbon is generally

4

, however, the oxidation state may be

- 4, - 2, 0, + 2, - 1

, etc. In the compounds containing carbon, hydrogen and oxygen, the oxidation number of carbon can be calculated as: Oxidation number of carbon

= \frac{2 n_{O} - n_{H}}{n_{C}}

n_{H}, n_{O}

n_{C}

are number of respective atoms.

In which of the following compounds, the valency of carbon is two?

Difference between valency , covalency ,and oxidation state

Q. Assertion :Oxidation number of an element can be a whole number, zero or a fractional number. Reason: Valency of inert gases is zero.

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