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## What is the oxidation number of chlorine in ClO4?

A/s Chemistry – Oxidation number & redox

A B
the sum of the oxidation numbers in a oxoanion is the sum of the oxidation numbers
in ClO(-) if O = -2 Cl is +1
in ClO3(-) if O = -2 Cl is +5
in ClO4(-) if O = -2 Cl is +7

## What is the oxidation number of chlorine in alcl3?

3 electrons lost by Al atom and 3 electrons accepted by Cl atoms. Thus option D +3, -3 is our answer.

## How do you find the oxidation number of ClO4?

The oxidation number of of oxygen is -2 in ClO4- ion and that of chlorine is +7.

+4

## What is the oxidation number for na2s?

Oxidation State of Na2S

Element Oxidation Number (Avg) Count
Na +1 2
S -2 1

## How do you find oxidation number?

1. The oxidation number of a free element is always 0.
2. The oxidation number of a monatomic ion equals the charge of the ion.
3. The oxidation number of H is +1, but it is -1 in when combined with less electronegative elements.
4. The oxidation number of O in compounds is usually -2, but it is -1 in peroxides.

+1

-2

## What is the oxidation number of B?

Contents

hide v t e Oxidation states of the elements
Element Positive states
4 beryllium +1
5 boron +1
6 carbon +1

+6

## What is the oxidation number for po4 3?

In the phosphate ion, the oxidation number of phosphorous is+5. The sum of the oxidation numbers in PO43-, a polyatomic ion, is -3, the charge of the ion. We assign -2 as the oxidation number of each O and x as the oxidation number of P and write the following equation: x + 4(-2) = -3…. x = +5.

## What are the oxidation numbers of P and H in ph4 +?

The oxidation number of P in PH4+ is −3.

+5

## What is oxidation number of H in cah2?

The oxidation number of hydrogen in H-containing compound is +1

2+

+3

## What is the oxidation number of P in H2P2O7?

The charge of H2P2O7 is -1. And, therefore, Oxidation number of Hydrogen is +1. and for Oxygen, it is -2

Oxygen

2021-06-17