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Practicing real exam questions helps you understand the exam pattern, improve accuracy, and boost your JEE score. Perfect for students aiming for top ranks in IIT-JEE.","tags","jee main joint entrance examination india","version","vip","location",{"_391":392,"_393":394},"type","Point","coordinates",[395,396],79.0888,21.1466,"in","priority",11,"createdOn",1756744302186,"updatedOn","questionsCount",24748,"courseCount",9,"examKey","questionData",{"_369":410,"_411":412,"_413":414,"_278":416,"_417":418,"_263":370,"_419":420,"_421":422,"_110":427},"bTQYmJ39jhUdoD2ve8GSYHatkIS8zk","q","Which one of the following complexes is violet in colour?","ans",[415],3,"2021 - 26th August Morning Shift","course","chemistry","exp","(a) [Fe(CN)₆]^4$$-$$ $$\\to$$ Pale yellow solution

(b) [Fe(SCN)₆]^4$$-$$ $$\\to$$ Blood red colour

(c) Fe₄[Fe(CN₆)]₃ . H₂O $$\\to $$ Prussian blue

(d) [Fe(CN)₅NOS]^4$$-$$ $$\\to$$ Violet colour","opts",[423,424,425,426],"[Fe(CN)₆]^4$$-$$","[Fe(SCN)₆]^4$$-$$","Fe₄[Fe(CN₆)]₃ . H₂O","[Fe(CN)₅NOS]^4$$-$$",1,"1","initComment","initReply","actionData","errors"]

JEE MAIN - Chemistry (2021 - 26th August Morning Shift - No. 1)

Explanation

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