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Which among the following options do you think has the highest average speed?

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in Chemistry – Class 11 by (148k points)
Which among the following options do you think has the highest average speed?

(a) chlorine

(b) hydrogen

(c) neon

(d) oxygen

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I'm obligated to ask this question of States of Matter topic in portion States of Matter of Chemistry – Class 11

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The correct answer is (b) hydrogen

For explanation: The formula of average speed is given by \(\sqrt{2RT/M}\), where R is universal gas constant, T is a temperature in Kelvin and M is the mass in kilograms. From the formula, we understand that the average speed is inversely proportional to the root over the mass. As hydrogen has the least mass among the options it has the highest average speed.

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