The reaction between gaseous NH3 and HBr produces a white solid NH4Br. Suppose that NH3 and HBr are introduced simultaneously into the opposite ends of an open tube of 1 metre long. Wherewould you expect the white solid to form.

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answer is 2.

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Detailed Solution

Let both the gases meet at distance = x cm from NH3 end.Distance from HBr end = ( 100 - x ) cmDistance travelled is represented as d cm.

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