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How can you convert benzene to N-phenylethanamide in 3 steps?
Step 1: Nitration of benzene Benzene + conc. H 2 SO 4 + conc. HNO 3 with heat & under reflux --> Nitrobenzene Step 2: Reduction of nitrobenzene Nitrobenzene + tin + conc. HCl with heat & under ref...
KA
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Keziah A.
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Chemistry tutor
16163 Views
How can crude oil be separated into different fractions?
Crude oil is a mixture of different hydrocarbons, of varying length. As they have different boiling points they can be separated.Crude oil is heated/vaporised from oil to gas.These vapours enter the fraction...
ZA
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Zohaib A.
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Chemistry tutor
2887 Views
How does ionisation energy vary across a period in the periodic table?
Ionisation energy generally increases across a period in the periodic table. This is because across a period, one more proton is added to the nucleus. This increases the quantity of positive charge so there ...
JV
Answered by
Jenni V.
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Chemistry tutor
2417 Views
What happens to the reactivity of Group 1 elements going down the group and describe why that trend occurs?
The reactivity of Group 1 elements increases down the groupAs the atom becomes larger so the attraction between the positive nucleus and negative electron becomes weaker. Shielding also increases meaning tha...
EM
Answered by
Euan M.
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Chemistry tutor
3351 Views
What is the pH of 0.10 mol.dm^(-3) sodium hydroxide solution, NaOH?
To calculate the pH of a solution/compound, we can use the equation: pH = - log 10 [H+]Within the sodium hydroxide solution, you would observe Na + and OH - ions so in order to find the concentration of H+ i...
SS
Answered by
Simran S.
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Chemistry tutor
22533 Views
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