The Lewis structure of which molecule requires resonance structures?A.) MgCl2B.) SiO2C.) SO2D.) OCl2
1 answer:
Answer: C.) SO2
Explanation: Sulfur Dioxide is the gaseous molecule which can show the resonance through lewis dot structure due to the presence of lone pairs of electrons present on all of the three atoms of the molecules. Moreover , Sulphur forms pie bond with the oxygen using p orbitals which forms a network of the conjugated system that help to elaborate the reason of the formation of the resonance structure.
Options (a), (b), and (d) cannot form resonating structures as they involve the formation of the chemical bonds through single sigma bond.
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Answer:
Explanation:
This is a skeleton problem because the reacting species are not given. We do not have any information about the metal and non-metal reacting. Let us give a run down on how to solve this kind of problem. I hope you find it useful.
Firstly, establish the reaction equation. This will contain the reactants and products. The equation must be balanced in order to comply with the law of conservation of matter.
Secondly, solve from the known to the unknown specie. The known is the one which we can accurately determine the number of moles from. Using the number of moles of the known, we can find the moles of the unknown.
To find the number of moles;
Number of moles =
molar mass is the sum of the atomic masses of the given compound whose mass we know.
mass = 5g
Thirdly; compared the number of moles of the known to the unknown using relationships and ratios between the two of them. F
For example, if :
2 mole of known gives 1 moles of unknown
solved mole of the known will give moles of unknown
Lastly:
Now use this mole to find the mass of the unknown;
Mass of unknown = number of moles of unknown x molar mass