Question

Compound $\mathrm{A}$ and $\mathrm{B}$ are treated with dil. $\mathrm{HCl}$ separately. The gases liberaled are $\mathrm{Y}$ and $\mathrm{Z}$ respectively. $\mathrm{Y}$ turns acidified dichromate paper green while $\mathrm{Z}$ turns lead acetate paper black. The compound $\mathrm{A}$ and $\mathrm{B}$ respectively are

Accepted Answer

$\mathrm{Na}_2 \mathrm{SO}_3$ and $\mathrm{Na}_2 \mathrm{S}$

Answer

$\mathrm{NaCl}$ and $\mathrm{Na}_2 \mathrm{CO}_3$

Answer

$\mathrm{Na}_2 \mathrm{S}$ and $\mathrm{Na}_2 \mathrm{SO}_3$

Answer

$\mathrm{Na}_2 \mathrm{SO}_3$ and $\mathrm{Na}_2 \mathrm{SO}_4$

NEET UG CHEMISTRY MCQ: 14 TH GROUP ELEMENTS (P-BLOCK)

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