Question

Consider the following statements


(a) Critical temperature of ammonia is higher than carbon dioxide

(b) Above Boyle point, real gases show positive deviation from ideality

(c) At 1 atm pressure boiling point is called standard boiling point

The correct statements are

(a) and (c) only

(a) and (b) only

(a), (b) and (c)

(b) and (c) only​

Answer 1

dear your answer is a and b

Answer 2

The correct answer is (a) and (b) only.

Explanation:

a) This statement is true. The critical temperature is defined as that temperature above which the gas cannot be liquefied however high pressure may be applied to the gas. The critical temperature of carbon dioxide is  304.15 K and the critical temperature of ammonia is 405.5 K.

b) This statement is true. The temperature at which a real gas behaves like an ideal gas over an appreciable pressure range is called Boyle temperature or Boyle point. Above Boyle point when Z> 1, the gas is said to show positive deviation.

c) This is false. At 1 bar, the boiling point is called the standard boiling point.