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A chemist synthesised two solutions A and B, they know one solution is an aldehyde and the other a ketone. Suggest how the chemist could identify which is which and describe any observations they would make

Tollens reagent could be used to identify the the solutions A and B, as the aldehyde solution will oxidise to a carboxylic acid and a ‘silver mirror’ will be observed. Ketones cannot be oxidised further and ...
HJ
Answered by Hugo J. Chemistry tutor
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A compound is found to contain 23.3% magnesium, 30.7% sulfur and 46.0% oxygen. What is the empirical formula of this compound?

Mass 23.3 30.7 46.0 Mr 24 32 16 Mass/Mr 0.97 0.96 2.875 /Smallest 0.97/0.96= 1 0.96/096= 1 2.875/0.96= 3 Ratio MgSO3 1:1:3
JG
Answered by Jack G. Chemistry tutor
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Why does Iodine have a higher boiling point than chlorine?

Iodine has a larger number of protons and electrons than chlorine, which causes the inter-molecular forces of attraction between iodine molecules to be stronger than those present between chlorine molecules....
JG
Answered by Jack G. Chemistry tutor
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Potassium and Sulfur form an ionic compound, how does this happen?

Potassium has one electron in its outer shell, and Sulfur has two. When forming an ionic compound with one atom of sulfur, two potassium atoms are used. Each potassium atom donates its outermost electron to ...
JC
Answered by Joshua C. Chemistry tutor
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Why does iodine have a higher boiling point than chlorine?

Iodine and chlorine are both in group 7 of the periodic table, iodine is further down than chlorine. When travelling down the periodic table the size of the atom increases due to the amount of electrons that...
AC
Answered by Abigail C. Chemistry tutor
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