The substance that can oxidize I-to-I2 but cannot oxidize Br-to-Br2 is chlorine. Chlorine can be used as an oxidizing agent to convert I- to I2, but it is not capable of oxidizing Br- to Br2.
This is due to the relative strengths of the halogens. Chlorine is a stronger oxidizing agent than iodine, but bromine is stronger than both chlorine and iodine. Therefore, chlorine is capable of oxidizing iodide ions to iodine, but it cannot oxidize bromide ions to bromine because bromine is a stronger oxidizing agent than chlorine.
In the presence of iodide ions (I-), chlorine (Cl2) can oxidize iodide ions to produce iodine (I2) and chloride ions (Cl-). 2 I- (aq) + Cl2 (aq) → 2 Cl- (aq) + I2 (s)In the presence of bromide ions (Br-), chlorine (Cl2) is unable to oxidize bromide ions to produce bromine (Br2) and chloride ions (Cl-). 2 Br- (aq) + Cl2 (aq) → no reaction
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If an object weighs 3.4526 g and has a volume of 23.12 mL, what is its density?
Select one:
a. 0.15 g/mL
b. 0.149 g/mL
c. 1.50 x 10^-1 g/mL
d. 0.1493 g/mL
If an object weighs 3.4526 g and has a volume of 23.12 mL, the density of the object will be 0.1493 g/mL.
Density calculationTo calculate the density of an object, you need to divide its mass by its volume. In this case, the mass of the object is 3.4526 g and its volume is 23.12 mL.
Density = Mass / Volume
Density = 3.4526 g / 23.12 mL
Calculating the density:
Density ≈ 0.1493 g/mL
In other words, the density of the object is 0.1493 g/mL.
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