1. Tardigrade
  2. Question
  3. Chemistry
  4. An orange coloured compound (.A.) when treated with NaCl & conc. H2SO4 gives red brown vapour (.B.) . This vapour when passed through NaOH gives yellow coloured solution (.C.) . On addition of CH3COOH and ((CH)3 COO)2Pb to this yellow solution, yellow colored ppt (.D.) is obtained. Which of the following compound is not resemble with above information:

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Q. An orange coloured compound $\left(\right.A\left.\right)$ when treated with $NaCl$ & conc. $H_{2}SO_{4}$ gives red brown vapour $\left(\right.B\left.\right)$ . This vapour when passed through $NaOH$ gives yellow coloured solution $\left(\right.C\left.\right)$ . On addition of $CH_{3}COOH$ and $\left(\left(CH\right)_{3} COO\right)_{2}Pb$ to this yellow solution, yellow colored ppt $\left(\right.D\left.\right)$ is obtained. Which of the following compound is not resemble with above information:

NTA AbhyasNTA Abhyas 2020

Solution:

A is $K_{2}Cr_{2}O_{7}$ , Bis $CrO_{2}Cl_{2},CisNa_{2}CrO_{4}$ , Dis $PbCrO_{4}$