4 years ago

‘By using displacement reactions it is possible to deduce the order of reactivity of the halogens.’

Chemistry

1 answer:

Rashid [163]4 years ago

7 0

Answer:

Explanation:

The halogens have seven electrons in their outermost shell. Each halogen atom lacks a single electron to make their octet a complete one. Elements in the halogen group are univalent and also acceptors of electrons. They are all non-metals and oxidizing agents. The oxidizing power of the halogens decreases from top to down the group. This is why the more powerful halogens displaces a less powerful one from simple salts.

Cl₂ + 2KBr → 2KCl + Br₂

Cl₂ + 2KI → 2KCl + I₂

Br₂ + 2KI → 2KBr + I₂

I₂ + 2KCl → No reaction

You might be interested in

How many atoms of hydrogen are in 4Ca(OH)2

inn [45]

Explanation:

there are 8 atoms of hydrogen

5 0

3 years ago

Why do ionic bonds have an overall neutral charge?

Sauron [17]

Answer:

Ionic bonds are formed between metals and nonmetals. The compatability of the metals and nonmetals is what makes them have a neutral charge as they cancel each other.

Eg: Using sodium chloride.

Na+ + Cl- > a neutral compound of NaCl without charges.

7 0

3 years ago

Lily replicates an experiment that found that the number of calories in a particular food is 50 kcal. She obtained data from

Tresset [83]

Answer:

invalid

Explanation:

Just imagine doing this experiment MULTIPLE TIMES and one of the trials you get 72 Kcal while in another u get 12kcal. It doesn't make sense. Somewhere in the experiment she went wrong. So its invalid

4 0

4 years ago

The picture show multiple organisms called paramecia. Although paramecia (single-celled organisms) usually reproduce asexually,

agasfer [191]

Answer:

It means that the paramecium would be able to better control/regulate algae, bacteria, and other protists that can be found in water.

Explanation:

4 0

3 years ago

Read 2 more answers

In another universe the electrons are described by four quantum numbers p, q, r, and s. The rules for these quantum numbers are

andreyandreev [35.5K]