Calling ALL chemistry geniuses!!

[dunn]

I need some guidance with this

What are the four different laboratory tests by which NaNO3 can be distinguished from NH4Cl?
A brief description

 

[Danman]

:Q GOOD LUCK.

 

[dunn]

thanks......

 

[jthsmak]

try reducing them into other compounds or elements. i dunno its been a while since i had chemistry. Its probably easy to test for ammonia and salt. good luck

 

[Jittos]

I think you can use flame test to detect Na ion?

sh!t, donno man, good luck looking up in Chem text book.

 

[dunn]

well, how about titration, will that work out? Acid-base reaction...Am i getting warmer???

 

[JohnnyKnoxville]

My suggestion is to drink a sample of each

 

[Argo]

<< My suggestion is to drink a sample of each >>



I second that motion.

 

[Zebo]

Drink it! hahaha

Iwill only give you two and little detail sorry! Dood just study I had to.

1. For Sodium Nitate a Ferrous Hydroxide reduction wich leads to formation of the red-brown to brown precipitate of iron(III) hydroxide.

2. For Soduim Nitrate a Zinc and Ammonium Chloride reduction a positive test is the formation of a black or grey precipitate.



Think pH and cold for the other two.

Btw- You not reading anarchists cookbook again?

 

[linuxboy]

nh4cl when mixed with H2O absorbs heat (endothermic)

[Edit]carbonyl gave you the last one.

think about it

nh4 mixed with water gives you what strong-odor common household cleaner?

and that is acid or base?

that should be enough

 

[j0lly]

I got a B in my chem. class and this is from pure memory so I suggest you varify.

Chlorid (Cl-) and Nitrate (NO3-) are both anions. Lets say we take a sample of a few simple inorganic salts to test.

NO3-

1) Action on heat:

-Reddish brown gas (NO2) = NO3 is present

2) Sample treated with H2SO4 + heat:

-Light brown fumes (NO2) = NO3 is present

3) Cu turnings added to the above solution:
Reddish brown fumes (NO2). The solution turns blue (cuprice nitrate) = NO3 present

4) Make a solution of the salt in dil. H2SO4. Add saturated sol. of Mohr's salt. Add conc. H2SO4:

- A brown ring (NO.FeSO4 (?)) is formed at the junction of the two liquids = NO3 confirmed

Cl-

1) Mix the salt with potassium dichromate and conc. H2SO4 and heat. Add few drops of NH4OH (?) and few drops of acetic acid + lead acetate:

-Gives yellow precipitate (PbCrO4)= Cl- is present


2) Drop some salt into dil. HNO3 and silver nitrate (?):

-A white ppt. (AgCl) soluable in ammonium hydroxide = Cl- is present

____

? = Not sure
- = superscript

 

[OSUdrunk]

Man am I glad I only needed one quarter of Chem!