Question

The biphenyl and benzoic acid mixture provided in lab is a 1:1 mixture by mass. Is the ratio you obtained 1:1? Suggest possible reasons why deviations occur.

A. Yes, the ratio is 1:1 due to accurate measurements.
B. No, the ratio may deviate due to experimental errors.
C. Yes, the ratio is 1:1 because it's a standard mixture.
D. No, the ratio deviation is intentional for the experiment.

Answer 1

The 1:1 ratio of biphenyl and benzoic acid mixture may deviate due to experimental errors. These can include measurement inaccuracies, reaction completion levels, transfer losses, and chemical impurities.

Step-by-step explanation:

The ratio you obtained from the biphenyl and benzoic acid mixture may not be exactly 1:1, even though it was provided as such. The answer to why there might be a deviation is B.

No, the ratio may deviate due to experimental errors. There are several reasons why deviations can occur, including measurement inaccuracies, incomplete reactions, losses during transfer or evaporation, and impurities in the chemicals used.

It's crucial to follow stoichiometry in reactions to ensure accurate results, but practical experiments often have variables that can cause slight deviations from the expected outcomes.

option B. No, the ratio may deviate due to experimental errors.

Answer 2

The ratio of biphenyl to benzoic acid may deviate from the expected 1:1 ratio due to experimental errors such as measurement inaccuracies, impurities, or procedural mistakes.

The right answer is B. No, the ratio may deviate due to experimental errors.

Step-by-step explanation:

The ratio of biphenyl to benzoic acid that was intended for the lab experiment is a 1:1 ratio by mass. However, the ratio obtained may deviate from this ideal due to various factors. Answer B is the most suitable option: No, the ratio may deviate due to experimental errors.

Such deviations can arise from measurement inaccuracies, impurities in the chemicals, or errors in the procedure. Recalling the principles of stoichiometry, the ratio of the components is crucial for the outcome of the reaction.

Therefore, accurate measurements and procedures are essential to obtain the desired ratio and ensure a successful experiment.

The right answer is B. No, the ratio may deviate due to experimental errors.