Qualitative Analysis of Cations

What is a cation's charge?

• positive

• negative

• neutral

• depends on the element

Is potassium a cation or an anion?

• cation

• anion

What is the charge of iron (III)?

• +3

• +2

• +6

• +4

Is the ion ammonium a cation or an anion?

• cation

• anion

Is the ion permanganate a cation or an anion?

• cation

• anion

what is the name of the confirmation test for ammonium

• silver nitrate test

• brown ring test

• nesselers reagent test

• lime water test

when you do the flame tesst ,the flame becomes..........in prescence of barium cation.

• blue

• apple green

• golden yellow

• brick red

In prescence of hydroxide solution ........ppt is formed from.......cations and the ppt is called

• white,aluminium,aluminiumhydroxide

• white,barium,barium hydroxide

• no reaction

why is dil nitric acid added to silver nitrate solution?

• A saturated solution of silver nitrate is formed

• To dissolve any carbonates in the salt

• To remove any impurities

• none of the above

The presence of effervescence is due to?

• presence of chloride

• presence of carbonate

• Absence of carbonates

• Absence of bicarbonates