Question

What is the name of a binary compound made up of selenium and potassium ?

A.dipotassium monoselendie.

B. Monoselenium dipotasside

C. Potassium selenide

D selenium potasside

Answer 1

A.dipotassium monoselendie.

Step-by-step explanation:

The binary compound formed a dipotassium monoselenide;

K₂Se

This is an ionic compound;

The combining power of potassium is +1

Combining power of Selenium is -2

K Se

Combining power 1 2

Exchange of valency 2 1

Molecular formula: K₂Se