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  • In the given reaction, <img alt="\mathrm{X+Y+3 Z \leftrightarrows X_{Y} Z_{3} }" src="/latex-image/?%5Cmathrm%7BX&plus;Y&plus;3%20Z%20%5Cleftrightarrows%20X_%7BY%7D%20Z_%7B3%7D%20%7D

In the given reaction,
\mathrm{X+Y+3 Z \leftrightarrows X_{Y} Z_{3} }
if one mole of each of X and Y with 0.05 mol of Z gives compound \mathrm{XYZ_{3}}. (Given : Atomic masses of X, Y and Z are 10,20 and 30 amu, respectively.) The yield of \mathrm{XYZ_{3}} is ____________\mathrm{g} .(Nearest integer)

Option: 1

2


Option: 2

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Option: 3

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Option: 4

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Answers (1)

best_answer

Given -

\mathrm{X+Y+3 Z \leftrightarrows X_{Y} Z_{3} }
1 mole i mol 0.05 mol

From the given Reaction -

3 moles of \mathrm{Z } yields 1 mole of \mathrm{XYZ_{3} }.
 \mathrm{\text{1 Mole of }Z\: \: yields\rightarrow \frac{1}{3}\: mole\: of\: XYZ_{3}}
\mathrm{\text{0.05 Mole of }Z\: \: yields\rightarrow \frac{0.05}{3}\: mole\: of\: XYZ_{3}}.

\mathrm{\therefore \text{mass of\, } XYZ_{3}\: \: formal= \frac{0.05}{3}[10+20+30\times 3]}
                                                      \mathrm{= 2g}

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