Qualitative Analysis | JEE Main 2024 Solution

JEE MAIN 2024

27-01-2024 SHIFT-1

Question

NaCl reacts with conc. $H_2 SO_4$ and $K_2Cr_2O_7$ to give reddish fumes (B), which react with NaOH to give yellow solution (C). (B) and (C) respectively are ;

Select the correct option:

${\rm{Cr}}{{\rm{O}}_2}{\rm{C}}{{\rm{l}}_2},{\rm{N}}{{\rm{a}}_2}{\rm{Cr}}{{\rm{O}}_4}$

${\rm{N}}{{\rm{a}}_2}{\rm{Cr}}{{\rm{O}}_4},{\rm{Cr}}{{\rm{O}}_2}{\rm{C}}{{\rm{l}}_2}$

${\rm{Cr}}{{\rm{O}}_2}{\rm{C}}{{\rm{l}}_2},{\rm{KHS}}{{\rm{O}}_4}$

${\rm{Cr}}{{\rm{O}}_2}{\rm{C}}{{\rm{l}}_2},{\rm{N}}{{\rm{a}}_2}{\rm{C}}{{\rm{r}}_2}{{\rm{O}}_7}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Chemistry

Medium

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