Question

The temperature at which RMS velocity of $\mathrm { SO } _ { 2 }$ molecules is half that of He molecules at 300 K is.

• A. 150 K
• B. 600 K
• C. 900 K
• D. 1200 K

Answer 1

Answer: (D)

1200 K

Answer 2

$= \frac { 4 } { 64 } \frac { T _ { S O _ { 2 } } } { 300 } = \frac { 1 } { 4 }$;