Practical Analytical Chemistry Quiz ( Cations )

  • ACS
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1. PbCrO4 ppt is yellow 

Explanation

the correct answer is : True

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About This Quiz
Practical Analytical Chemistry Quiz ( Cations ) - Quiz

This quiz focuses on the identification and analysis of Group 1 and Group 2 cations in analytical chemistry, including their reactions and properties.

2. PbCL2 is solouble in cold water

Explanation

hot water not cold

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3. Group 1 cations : we add (????) dil HCL

Explanation

The correct answer : slight excess

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4. Group 2 cations : the amount of Hcl should be ?

Explanation

the correct answer is : from 0.2 to 0.3 M

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5. Why we add KNO3 to the ppt ( Group 2 cations ) ?

Explanation

Prevent occurrence colloidal solution

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6. Group 1 cations : why we add ( slight excess ) from HCL ?

Explanation

the correct answer is : All answers above are right

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7. 1 ml solution of ( Ni+2 )  +  ( DMG )  Give ??

Explanation

Rose red colour

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8. CO+2  is a member of Group ??

Explanation

4

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9. What happened if the amount of HCL in Group 2 cations is less than 0.2 M ?

Explanation

it will perceptate the cations of Group 4 is the correct answer

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10. Sb2S3 ppt coulor is ?

Explanation

Red is the correct answer

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PbCrO4 ppt is yellow 
PbCL2 is solouble in cold water
Group 1 cations : we add (????) dil HCL
Group 2 cations : the amount of Hcl should be ?
Why we add KNO3 to the ppt ( Group 2 cations ) ?
Group 1 cations : why we add ( slight excess ) from HCL ?
1 ml solution of ( Ni+2 )  +  ( DMG )  Give ??
CO+2  is a member of Group ??
What happened if the amount of HCL in Group 2 cations is less than 0.2...
Sb2S3 ppt coulor is ?
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