Difference between revisions of "Arcticturn Chem Prep"
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<math>\textbf{(A)}~ </math> Eriochrome Black T<math>\qquad\textbf{(B)}~</math> Ferroin<math>\qquad\textbf{(C)}~</math> Methyl orange <math>\qquad\textbf{(D)}~</math> Phenolphthalein | <math>\textbf{(A)}~ </math> Eriochrome Black T<math>\qquad\textbf{(B)}~</math> Ferroin<math>\qquad\textbf{(C)}~</math> Methyl orange <math>\qquad\textbf{(D)}~</math> Phenolphthalein | ||
+ | |||
+ | 11. 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 |
Revision as of 17:18, 27 December 2024
2024
. Which substance may be treated with bleach (sodium hypochlorite) to render it less hazardous?
Sodium Cyanide Ammonia Hydrochloric acid Ozone
. Which indicator would be most suitable for a titration to determine the concentration of ammonia in a window cleaning solution using aqueous HCl?
Eriochrome Black T Ferroin Methyl orange Phenolphthalein
11. 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