NaCl reacts with conc. H _ 2 SO _ 4 and K _ 2 Cr _ 2 O _ 7 to give reddish fumes (B)…
Chemistry · JEE Main · NTA Exams — d- and f-Block Elements
NaCl reacts with conc.\(\mathrm{H}_{2} \mathrm{SO}_{4}\)and \(\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}\) to give reddish fumes (B), which react with NaOH to give yellow solution (C). (B) and (C) respectively are;
(Jee Main 2024)
(Jee Main 2024)
- \(\mathrm{CrO}_{2} \mathrm{Cl}_{2}, \mathrm{Na}_{2} \mathrm{CrO}_{4}\)
- \(\mathrm{Na}_{2} \mathrm{CrO}_{4}, \mathrm{CrO}_{2} \mathrm{Cl}_{2}\)
- \(\mathrm{CrO}_{2} \mathrm{Cl}_{2}, \mathrm{KHSO}_{4}\)
- \(\mathrm{CrO}_{2} \mathrm{Cl}_{2}, \mathrm{Na}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}\)
Answer
(A) CrO _ 2 Cl _ 2 , Na _ 2 CrO _ 4
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