Arrange the Following Substances in the Order of Increasing Entropy $\rarr$

question 59

Multiple Choice

Arrange the following substances in the order of increasing entropy at 25°C. HF(g) , NaF(s) , SiF₄(g) , SiH₄(g) , Al(s)
Lowest $\rarr$ highest

• A)SiF₄(g)< SiH₄(g)< NaF(s)< HF(g)< Al(s)
• B)HF(g)< Al(s)< NaF(s)< SiF₄(g)< SiH₄(g)
• C)Al(s)< NaF(s)< HF(g)< SiH₄(g)< SiF₄(g)
• D)Al(s)< HF(g)< NaF(s)< SiF₄(g)< SiH₄(g)
• E)NaF(s)< Al(s)< HF(g)< SiF₄(g)< SiH₄(g)

---

Definitions:

Total Cost

The complete cost of production or operation, including both fixed and variable costs.

Total Revenue

The total amount of income generated by the sale of goods or services related to a company's primary operations.

Odd Pricing

Psychological pricing strategy in which goods are priced at, say, $9.99 rather than $10.00 in the belief that the price will seem lower than it really is.

Prestige Pricing

A pricing strategy where goods are priced higher than market averages to evoke a sense of luxury or exclusivity.