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Chemistry
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How can you convert benzene to N-phenylethanamide in 3 steps?

Step 1: Nitration of benzene Benzene + conc. H2SO4 + conc. HNO3 with heat & under reflux --> Nitrobenzene Step 2: Reduction of nitrobenzene Nitrobenzene + tin + con...

KA
Answered by Keziah A. Chemistry tutor
15072 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 fract...

ZA
Answered by Zohaib A. Chemistry tutor
2479 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 the...

JV
Answered by Jenni V. Chemistry tutor
2144 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 ...

EM
Answered by Euan M. Chemistry tutor
2746 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 = - log10[H+]Within the sodium hydroxide solution, you would observe Na + and OH - ions so in order to find the concentra...

SS
Answered by Simran S. Chemistry tutor
21151 Views

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