Examlex

Solved

If 852 G Each of Zinc,potassium Dichromate,and Sulfuric Acid Are Reacted

question 51

Multiple Choice

If 8.52 g each of zinc,potassium dichromate,and sulfuric acid are reacted by the reaction:
4 Zn + K2Cr2O7 + 7 H2SO4→ 4 ZnSO4 + 2 CrSO4 +K2SO4 + 7 H2O
How many grams of zinc will be left unreacted?


Definitions:

Base

A substance capable of accepting protons according to the Bronsted-Lowry theory or donating electron pairs in Lewis theory; it counteracts acids.

Amines

Organic compounds composed of nitrogen atoms bonded to alkyl or aryl groups, behaving as bases.

Cyclohexylamine

A primary amine derived from cyclohexane, noted for its use in the production of pharmaceuticals and corrosion inhibitors.

NMR Spectroscopy

A technique that uses nuclear magnetic resonance to determine the molecular structure of organic compounds by observing the interaction of atomic nuclei with radio waves.

Related Questions