Difference between revisions of "Arcticturn Chem Prep"

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-==2024==
-. Which substance may be treated with bleach (sodium hypochlorite) to render it less hazardous?
-(A) Sodium cyanide
-(B) Ammonia
-(C) Hydrochloric acid
-(D) Ozone
-. Which indicator would be most suitable for a titration to determine the concentration of ammonia in a window cleaning solution using aqueous HCl?
-(A) Eriochrome Black T
-(B) Ferroin
-(C) Methyl orange
-(D) Phenolphthalein
-. Ethane, C2H6, and diborane, B2H6, do not adopt analogous molecular structures. Which experimental technique would be least useful in establishing this fact?
-(A) Infrared spectroscopy
-(B) Mass spectrometry
-(C) Nuclear magnetic resonance spectroscopy
-(D) X-ray crystallography

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