8, Determine the formal charge on the carbon atom of carbon monoxide with this L

Question

8, Determine the formal charge on the carbon atom of carbon monoxide with this Lewis structure :co: a. 0 b.+1 19. Classify the bondin this structure of an oxygen molecule, 030 a. Nonpolar b. Polar c. lonic d. All of the abovee. None of the above --20. Classify the bonding of cesium bromide, CsBr? a. Nonpolar c. lonic d. All of the above e. None of the above b. Polar Classify the following bond, Cl-F? b. Polar 21. d. All of the above e.None of the above a. Nonpolar c. lonic -22, what is the correct name for caso.? a. calcium sulfiur tetroxide b. calcium sulfate c.calcium() sulfate a. Ni(CIO) 4. Determine the molar mass of ColNOb . d. calcium sulfoxide 23. What is the correct formula for nicke) perchlorate? b. NiCIO C. Ni(cio d. NiCIO e.Ni,CIO d. 209.9g/mol e. 150.9 g/mol a. 104.0g/mol b. 119.0 g/mol c 525. Determine the molar mass of FeISOh a. 359.7 g/mol b. 271.9 g/mol c. 399.9g/mol d 344.1g/mol e 1519 g/mol 26, How many moles of hydrogen atoms are there in 6.50 g of ammonia, (NH)? a. 1.14 mol b. 0.57 mol c. 2.28 mol d. 2.28 x 10 mol e. 1.14 x 10

Explanation / Answer

1):C::O: formula of determing formal charge on an atom in a compound ,molecule or ion is

NE-Nl-Nb.p/2 where NE= number of valence electrons Nl = no of lone electrons Nb.p = no. of bonded electrons

here the formal charge of carbon atom in carbon monoxide= 4-2-4/2 = 2-2 = 0

total electrons in carbon = 6 so valence electrons= 4 ,lone pair= 1 so lone electrons= 2 and bond pair = 2 so bond lectrons= 4

so option a) is correct.

2) O=O as Oxygen(O2) molecule is composed of two Oxygen atoms which has no electronegativity difference.

so it is a non-polar molecule.and covalent also. so option a) is the correct. that O=O has a nonpolar bonding

3) Cesium Bromide (CsCl) is composed of two different atoms with different electronegativity.Cl has too higher electronegativity than Cs.So, it s a polar molecule.so its bonding type is polar as well as ionic.option b) and c)

4) Cl-F has one Chlorine atom and one Fluorine atom.fluorine has a higher electronegativity than that of chlorine.So the bond between them is polar but covalent .option b) is correct.

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