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NEET UG CHEMISTRY MCQ: STATES OF MATTER

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Application +4 | -1
10g10\mathrm{g} of hydrogen fluoride gas occupy 5.6 litre of volume at NTP. The empirical formula of the gas is HF. The molecular formula of the gas will be (at.Wt.offluorine=19)(at.\mathrm{ }Wt.\mathrm{ }of\mathrm{ }fluorine = 19)
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Correct option: C
H2F2{\mathrm{H}_2}{\mathrm{F}_2}
Option C (H2F2{\mathrm{H}_2}{\mathrm{F}_2}) is correct because the molar mass calculated from the given volume at NTP is twice the empirical formula mass.

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