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Chapter 4: Q4.65 P (page 180)

Give the oxidation number of bromine in the following

(a)KBr(b)BrF3(c)HBrO3(d)CBr4

Short Answer

Expert verified

Answer:You need to provide the oxidation no of bromine for the given compounds.

Step by step solution

01

Oxidation state of bromine in KBr

Oxidation state of potassium is +1.

Let, oxidation state of bromine in KBr is x.

No you can write,

+1+x=0x=-1

Hence, oxidation state of bromine in KBr is -1.

02

Oxidation state of bromine in BrF3 

Oxidation state of Flurine is -1.

Let, oxidation state of bromine in BrF3 is y.

No you can write,

y+3-1=0y=+3

Hence, oxidation state of bromine in BrF3 is +3.

03

Oxidation state of bromine in HBrO3 

Oxidation state of Hydrogen is +1.

Oxidation state of Oxygen is -2.

Let, oxidation state of Bromine in HBrO3is z.

No you can write,

+1+z+3-2=0z=+5

Hence, oxidation state of Bromine in HBrO3 is +5

04

Oxidation state of bromine in CBr4 

Oxidation state of Carbon is +4.

Let, oxidation state of bromine in CBr4is k.

No you can write,

+4+4k=04k=-4k=-1

Hence, oxidation state of bromine in CBr4is -1.

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Most popular questions from this chapter

Nutritional biochemists have known for decades that acidic foods cooked in cast-iron cookware can supply significant amounts of dietary iron (ferrous ion).

(a) Write a balanced net ionic equation, with oxidation numbers, that supports this fact.

(b) Measurements show an increase from 3.3 mg of iron to 49 mg of iron per12 -cup (125-g) serving during the slow preparation of tomato sauce in a cast-iron pot. How many ferrous ions are present in a 26-oz (737-g) jar of the tomato sauce?

Give the oxidation number of carbon in the following:

(a)CF2Cl2(b)Na2C2O4(c)HCO3-(d)C2H6

(a) Name three common strong acids.

(b) Name three common strong bases.

(c) What is a characteristic behavior of a strong acid or a strong base?

Magnesium is used in lightweight alloys for airplane bodies and other structures. The metal is obtained from seawater in a process that includes precipitation, neutralization, evaporation, and electrolysis. How many kilograms of magnesium can be obtained from 1.00 km3 of seawater if the initial Mg2+ concentration is 0.13% by mass (dof seawater = 1.04 g/mL)?

Why the equilibrium state is called “dynamic”?
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