Match Column I (species) with Column II (colour). Column I: P. CrO2Cl2 vapour; Q. [Fe(H2O)5NO]^2+; R. Na2CrO4 solution; S. Fe4[Fe(CN)6]3. Column II: 1. yellow; 2. deep red; 3. deep blue; 4. brown.

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JEE Main levelSingle correct optionDifficulty 2 of 3qa083

Match Column I (species) with Column II (colour). Column I: P. $CrO X_{2} Cl X_{2}$ vapour; Q. $[Fe (H X_{2} O) X_{5} NO] X^{2 +}$ ; R. $Na X_{2} CrO X_{4}$ solution; S. $Fe X_{4} [Fe (CN) X_{6}] X_{3}$ . Column II: 1. yellow; 2. deep red; 3. deep blue; 4. brown.

AP-4, Q-2, R-1, S-3
BP-2, Q-1, R-4, S-3
CP-2, Q-4, R-1, S-3
DP-2, Q-4, R-3, S-1

Answer: C

Chromyl chloride vapour is deep red, the nitrosyl complex of the brown ring is brown, chromate solution is yellow and Prussian blue is deep blue. So P-2, Q-4, R-1, S-3.

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Answer: C

More questions on Chromyl chloride, brown ring and ring tests

Match Column I (species) with Column II (colour). Column I: P. $CrO X_{2} Cl X_{2}$ vapour; Q. $[Fe (H X_{2} O) X_{5} NO] X^{2 +}$ ; R. $Na X_{2} CrO X_{4}$ solution; S. $Fe X_{4} [Fe (CN) X_{6}] X_{3}$ . Column II: 1. yellow; 2. deep red; 3. deep blue; 4. brown.