Chemistry Numericals
How to deduce the structure of an organic compound X - Aldehydes & Ketones
Question- An organic compound X contains 70% Carbon, 11.33% Hydrogen and 18.67% Oxygen. The molecular weight of the compound is 86. It gives negative Tollens test but forms an addition product with sodium hydrogen sulfite.
What is the oxidation number of P in H3PO2 molecule?
The oxidation number of Phosphorus (P) is the unknown here. Let us consider it as x.
The Oxidation Number of Hydrogen (H) is + 1
Calculation for the number of unit cells (using log table)
Question: Calculate the number of unit cells in 8.1 g of Aluminium if it crystallizes in a face cubic structure (fcc).
Calculate Standard Gibbs Energy Change Of the Cell Reaction (using log table) -Electrochemistry
The cell in which the following reaction occurs:
2Fe3+ (aq) + 2I- (aq) → 2Fe2+ (aq) + I2 (s)
Has Eocell = 0.236 V at 298 K.
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