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Q.

The Molecular formula of potassium nitrate is_________.

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a

${KNO}_{3}$

b

${KNO}_{2}$

c

$KNO$

d

$K {({NO}_{3})}_{2}$

answer is A.

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Detailed Solution

detailed_solution_thumbnail

The chemical compound potassium nitrate has a molecular formula ${KNO}_{3}$ .
It’s an alkali metal nitrate because it is an ionic salt of nitrate ions ${NO}_{3}$ and potassium ions.
It is found in nature as a mineral called nitre and a nitrogen source. Also, potassium nitrate ( ${KNO}_{3}$ ) is one of a group of nitrogen-containing chemicals known as saltpetre.

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