EASYMCQ SINGLEJEE Advanced ChemistryInorganic ChemistryMole conceptSTP/NTP & percent calculations, empirical formula, minimum molecular mass, vapour density
Hydrogen evolved at NTP on complete reaction of 27 gm of Al with excess of aq NaOH would be (Chemical reaction: 2Al + 2NaOH + \(\mathrm{H_2O}\) \(\mathrm{NaAlO_2}\) + \(\mathrm{H_2}\)
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B.[object Object]
C.[object Object]
D.[object Object]✓ Correct
Explanation
This question uses gaseous state & mole concept, volumetric analysis & stoichiometry. Write the balanced chemical equation, compute moles of each reactant, identify the limiting reagent, and use stoichiometric ratios (and % yield, if needed) to obtain the answer; this gives option D.
Gaseous state & mole conceptVolumetric analysis & stoichiometry
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