CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Covalent Bond

What are vale...

Question

What are valences of the following:
Magnesium
Oxide
Hydroxide

Open in App

Solution

Dear student

Valency is the number of electrons gain or loss to achieve noble gas configuration or fully filled octet.

The valency of Magnesium 2.

The valency of oxide (O^2- ) is 2.

The valency of hydroxide (-OH) is -1.

Suggest Corrections

thumbs-up

0

Similar questions

Q. When water is added to magnesium oxide ,magnesium hydroxide is produced which is also present in lime water .So, is it correct that the magnesium hydroxide present in lime water and the magnesium hydroxide formed from magnesium oxide and water are one and the same?

Q. Write down the formulae for the following compounds :
(a) Calcium oxide
(b) Magnesium hydroxide

Q. Write the formula of the following compounds.
calcium hydroxide, copper chloride, iron sulphate, sodium carbonate, copper nitrate, copper oxide, lead sulphide, magnesium chloride, zinc sulphate, potassium hydroxide.

Write down the formulae of

(i) sodium oxide

(ii) aluminium chloride

(iii) sodium sulphide

(iv) magnesium hydroxide

Q. Which among the following statements is incorrect for magnesium metal?

(a) It burns in oxygen with a dazzling white flame.
(b) It reacts with cold water to form magnesium oxide and evolves hydrogen gas.
(c) It reacts with hot water to form magnesium hydroxide and evolves hydrogen gas.
(d) It reacts with steam to form magnesium hydroxide and evolves hydrogen gas.

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction to Chemical Bonding

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon