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Question

Chemistry Question on p -Block Elements

Pure nascent hydrogen is best obtained by

A

NaNa and C2H5OHC_2H_5OH

B

AlAl and NaOHNaOH

C

ZnZn and dil. H2SO4H_2SO_4

D

all of these

Answer

all of these

Explanation

Solution

Na+C2H5OH>C2H5ONa+[H] {Na + C2H5OH -> C2H5ONa +[H]} Al+2NaOH>Na2AlO2+2[H] {Al + 2NaOH -> Na2AlO2 +2[H]} Zn+dil.H2SO4>ZnSO4+2[H] {Zn + dil. H2SO4 -> ZnSO4 +2[H]}