Search our library of Chemistry questions

Top answers

Chemistry

All levels

What happens to a primary secondary and tertiary alcohol when an excess solution of Potassium Dichromate is added under acidic conditions, state the chemical formula of potassium dichromate?

pottasium dichromate (K₂SO₄) is an example of an oxidising reagent. If added to a primary alcohol, under reflux, carboxcylic acid will form, a secondray alcohol will form a ketone an...

Answered by Christian S. • Chemistry tutor

5396 Views

What happens when a reversible reaction is at equilibrium?

A reversible reaction is one where the reaction can occur both ways. Therefore, in a closed system where nothing can escape, some products made will always react in the reverse direction to make the react...

Answered by Yuhui Z. • Chemistry tutor

4698 Views

i) Write a full balanced equation for (a) the complete combustion of glucose and (b) the incomplete combustion of glucose. ii) Following from part i) suggest a reason (and explain) the difference with the product in reaction (a) and that of reaction (b).

Part I (4 marks) a) C₆H₁₂O₆+ 6O₂-> 6CO₂+ 6H₂O b) C₆H₁₂O₆+ 3O₂ -> 6C...

Answered by Lavan G. • Chemistry tutor

9704 Views

What is the difference between an alkene and an alkane?

Both alkenes and alkanes are chains of carbon and hydrogen molecules. The chains can be different lengths and each length chain has a different name.

An alkene is a chain which has a double bond b...

Answered by Emily H. • Chemistry tutor

2165 Views

The boiling points of ammonia (NH3), fluorine (F2) and bromine (Br2) are -33, -188 and +59 degrees celsius respectively. Explain the differences in these boiling points, including the names of any relevant forces and particles.

Differences in boiling points between molecules are due to varying strength of intermolecular forces. From the data given, we know Br₂ must have the strongest intermolecular forces as it has th...

Answered by Alex H. • Chemistry tutor

69058 Views