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Explain why chlorine is more reactive than iodine.

Halogen atoms like chlorine and iodine usually react by gaining an electron to fill their outer energy level in order to resemble the noble gases which are more stable. Chlorine is a smaller atom than iod...

Answered by Victoria T. • Chemistry tutor

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Ethanol, CH3CH2OH, can be converted into a carboxylic acid with two carbon atom. Name the carboxylic acid formed from ethanol and draw its structure. Show all bonds between atoms.

Ethanoic acid (CH3COOH)Clear structure of molecule must be shown. One C atom with existing three single bonds to three H atoms and a single bond with the other C atom. Second C atom has a double bond

Answered by Sophie O. • Chemistry tutor

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Explain Fractional Distillation (6 Marks)

Fractional distillation is the process of separating the different hydrocarbon compounds within crude oil (Show understanding of fractional distillation through context) . First the crude oil is heated/va...

Answered by Aatif H. • Chemistry tutor

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What is an isotope?

Isotopes are elements that have the same number of protons as the standard example in the periodic table, but have a different amount of neutrons.An example of this is C-12, C-13 and C-14. C-12 is the sta...

Answered by Antonia H. • Chemistry tutor

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Sodium azide NaN3 has a high melting point. Predict the type of bonding in a crystal of sodium azide. Suggest why its melting point is high. (3)

There is ionic bonding because Na is a metal and N is a non metal, so there is a strong electrostatic attraction between the oppositely charged ions Na⁺ and the N₃^-1This ...

Answered by Bhavana T. • Chemistry tutor

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