How many grams of oxygen gas will be needed for complete combustion of 2 moles of \( 3^{\text {r...

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How many grams of oxygen gas will be needed for complete combustion of 2 moles of \( 3^{\text {rd }} \) member of alkyne series?
[NTSE 2018]
a. \( 186 \mathrm{~g} \)
b. \( 256 \mathrm{~g} \)
c. \( 352 \mathrm{~g} \)
d. \( 372 \mathrm{~g} \)
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