Which of the following pair of salt produces odourless gas with dil H2SO4

Question

Which of the following pair of salt produces odourless gas with dil H2SO4 (A) HCO -3 and HSO -3 (B) HCO -3 and CO -3 (C) S2O2 -3 and CH3 CO -2 (D) CO2 -3 and CH3CO -2

Tardigrade Admin · Accepted Answer

HCO 3- and CO 3- will produce odourless gas i.e. carbon dioxide with dil. H 2 SO 4. underset textBaking sodaNaHCO 3( aq )+ H 2 SO 4( aq ) longrightarrow Na 2 SO 4( aq )+2 CO 2( g )+2 H 2 O ( l ) underset textWashing sodaNa 2 CO 3+ H 2 SO 4( aq ) longrightarrow Na 2 SO 4( aq )+ H 2 O ( l )+ CO 2( g )

Q. Which of the following pair of salt produces odourless gas with dil $H_{2} S O_{4}$

$H C O_{3}^{-}$ and $H S O_{3}^{-}$

$H C O_{3}^{-}$ and $C O_{3}^{-}$

$S_{2} O_{3}^{2 -}$ and $C H_{3} C O_{2}^{-}$

$C O_{3}^{2 -}$ and $C H_{3} C O_{2}^{-}$

Q. Which of the following pair of salt produces odourless gas with dil H2​SO4​

HCO3−​ and HSO3−​

HCO3−​ and CO3−​

S2​O32−​ and CH3​CO2−​

CO32−​ and CH3​CO2−​

HCO3−​ and CO3−​ will produce odourless gas i.e. carbon dioxide with dil. H2​SO4​. Baking sodaNaHCO3​​(aq)+H2​SO4​(aq)⟶Na2​SO4​(aq)+2CO2​(g)+2H2​O(l) Washing sodaNa2​CO3​​+H2​SO4​(aq)⟶Na2​SO4​(aq)+H2​O(l)+CO2​(g)

Q. Which of the following pair of salt produces odourless gas with dil $H_{2} S O_{4}$

$H C O_{3}^{-}$ and $H S O_{3}^{-}$

$H C O_{3}^{-}$ and $C O_{3}^{-}$

$S_{2} O_{3}^{2 -}$ and $C H_{3} C O_{2}^{-}$

$C O_{3}^{2 -}$ and $C H_{3} C O_{2}^{-}$