1. Which of the following is true regarding electromagnetic radiation? A. As ene

ID: 587168 • Letter: 1

Question

1. Which of the following is true regarding electromagnetic radiation?

A. As energy increases, wavelength and frequency increase.

B. As energy increases, wavelength and frequency decrease.

C. As energy increases, wavelength increases and frequency decreases.

D. As energy increases, wavelength decreases and frequency increases.

2. Which orbital is described by the following set of quantum numbers?
n = 3 l = 1

A. 1s

B. 2s

C. 3s

D. 3p

E. 3d

3. Under what conditions would Cl2 gas be the least ideal?

A. high pressure and low temperature

B. high pressure and high temperature

C. low pressure and high temperature

D. low pressure and low temperature

1. Energy and frequency have direct relationship and inverse relation with wavelength

So as energy increases, frequency increases and wavelength decreases.(option D)

2. l =1 means p orbital ( s=0,p=1,d=2)

So orbital = 3p (option D)

3. Real gases behave closely to ideal behaviour at low pressures and high temperature.

So least ideal condition would be - high pressure and low temperature ( option A)

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