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  • Reaction of with aqua regia produces Tilden’s reagent. What is Tilden's reagent?Optio

Reaction of \mathrm{CoS} with aqua regia produces Tilden’s reagent. What is Tilden's reagent?

Option: 1

\mathrm{NO_2}
 


Option: 2

\mathrm{NO}
 


Option: 3

\mathrm{N_2}

 


Option: 4

\mathrm{NOCl}


Answers (1)

best_answer

\mathrm{CoS + HNO_3 + 3HCl \rightarrow CoCl_2 + NOCl + S + 2H_2O }

Hence option 4 is correct.

Posted by

Ajit Kumar Dubey

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