Active metals react with dilute sulphuric acid to liberate X. Active metals react with concentrated sulphuric acid to liberate Y. X , Y are respectively
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a
H2 , SO2
b
H2 , H2
c
SO2 , SO2
d
SO2 , H2
answer is A.
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Detailed Solution
Active metals have negative SRP valuesActive metals reduceI- H+ to H2 with dil.H2SO4; II- SO4-2 to SO2 with conc.H2SO4; .
Active metals react with dilute sulphuric acid to liberate X. Active metals react with concentrated sulphuric acid to liberate Y. X , Y are respectively