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Chemistry
A Level

How could you obtain a carboxylic acid from oxidation of an alcohol and what type of alcohol would be suitable?

Primary alcohol is the only alcohol which can fully oxidise as it first oxidises to an aldehyde and this can be further oxidised to a carboxylic acid. This is not possible with 20 alcohols as t...

Answered by Samuel H. Chemistry tutor
1443 Views

Define enthalpy of neutralisation and state standard conditions:

Enthalpy of Neutralisation: the energy change a system experiences when one mole of water is formed from the neutralisation of an acid with an alkali under standard conditions.Standard conditions: 298K, 1...

Answered by Sam H. Chemistry tutor
4330 Views

"A chromium compound contains 28.4% sodium and 32.1% chromium by mass, while the rest is oxygen. What is the empirical formula of this compound?"

Start with the definition of empirical formula so we know what we are trying to work out. Empirical formula is the simplest whole-number ratio of elements in a compound. First, l...

Answered by Mia P. Chemistry tutor
4321 Views

Chlorobenzene can be produced by electrophilic substitution of benzene? Draw the mechanism for this?

Draw the movement of electron through out the reaction. From explaining it as I go.

Answered by Stephen R. Chemistry tutor
1775 Views

State the qualitative tests to distinguish between halide ions in solution.

To test for chloride ions, add silver nitrate and a white precipitate should form, then add dilute ammonia and it should re-dissolve. For bromide ions, add silver nitrate and a cream precipitate should fo...

Answered by Ruggero B. Chemistry tutor
4411 Views

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