if the volume of a flask is 175 ml and the mass of the vapor of the flask is 0.2

Question

if the volume of a flask is 175 ml and the mass of the vapor of the flask is 0.2436 grams at 1.05 ATM and Write the equation that describes the reaction for each system in which you observed a change. Rank the halogen molecules in order of decreasing oxidizing agent strength a. Use the > symbol to rank them. Now write the activity series for the halide ions as reducing agents. a. Use the > symbol to rank them. iment was largely assembled from the two experiments listed below with modifications: a.ufl.edu/ctoyota/Expt9 redox.pdf lty.ccrì.edu/eterezakis/1030%20Exp%2005,%20Two%20Families%20of%20the%20 Periodic%20Table.pd

Explanation / Answer

1. As electronegitivity of halogens increases the tendency to gain electrons increases. Thus the oxidizing capacity increases. Therefore the decreasing order of oxidizing capacity is as follows

F- > Cl-> Br- > I-

2. As size of halogens increases the tendency to loose electrons increases. Thus the reducing capacity increases. Therefore the decreasing order of reducing capacity is as follows

I- > Br- > Cl- > F-

3. if the volume of a flask is 175 ml and the mass of the vapor of the flask is 0.2436 grams at 1.05 atm then Temperature of the gas can calculated by using ideal ga equation PV=nRT

n = mass of vapor /molar mass but molar mass is not given thus assuming that n=1

T = PV/nR = 1.05atm*0.175 L/0.0821 atm.L.K-1*1 = 2.23 K

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