Top answers

Chemistry
All levels

Describe the features of a benzene ring that define its reactivity. How does phenol differ from this?

The six carbon atoms in benzene are arranged in a planar ring, with one hydrogen atom bonded to each carbon. Each carbon atom has 4 valence electrons, and uses three of them to form single bonds with the ...

Answered by Elizabeth F. Chemistry tutor
3510 Views

Use the periodic table to write symbols for the following species: 19 protons, 20 neutrons, 19 electrons

when looking at an atom on the periodic table, we see that within the box are two numbers: one at the top and one at the bottom. the top number represents the atomic number and the bottom number represent...

Answered by Alisha I. Chemistry tutor
2490 Views

Explain what oxidation and reduction means in terms of electrons.

The oxidation of a species, in terms of electrons, is when the species loses electrons. The reduction of a species, on another hand, is when the species gains electrons in a reaction.

Answered by Ishaan A. Chemistry tutor
1807 Views

25cm3 of a 0.10moldm-3 solution of sodium hydroxide reacts exactly in a titration with 15cm3 HCl. What is the concentration of the hydrochloric acid?

First, write a balanced chemical equation to determine the ratio of the reacting species: NaOH + HCl --> NaCl + H2O Sodium hydroxide and hydrochloric acid react in a 1:1 ratio,...

Answered by Elizabeth F. Chemistry tutor
9379 Views

Compare the basic ability between ammonia, ethyl amine and phenyl amine.

In terms of order of increasing basic ability, it is as follows. Phenylamine < ammonia < ethyl amine.
The reason why phenyl amine (containing a benzene ring) is a weaker base than ammonia is be...

Answered by Chemistry tutor
13395 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences