AP EAPCET 08-Jul-2022 Shift 1 Paper

Section: Chemistry

Question : 149 of 160

Marks: +1, -0

Small quantities of NO and HNO3 are formed as impurities, when N2 is prepared from NH4Cl (aq) and NaNO2(aq ), these impurities can be removed by passing the N2 gas through which of the following?

H2SO4(aq) containing SO3
H2SO4 (aq) containing K2Cr2O7
H2SO4( aq ) containing KMnO4
HCl (aq) containing KMnO4

Validate

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