Element ' A ' is ' d ' block as well as transition element of 3d series. It is used to convert vegetable oil in to vegetable ghee, (X) is poisonous gas which is used for refining o

Question

Element ' A ' is ' d ' block as well as transition element of 3d series. It is used to convert vegetable oil in to vegetable ghee, (X) is poisonous gas which is used for refining of element ' A '. Which option is incorrect.

TestHub · Accepted Answer

​ ( A ) N i ​ + ( X ) ( CO ) 4 ​ ​ Δ ​ v o l a t i l e c a r b o n y l s p 3 h y b r i d i s a t i o n , d iama g n e t i c co m pl e x ​ N i ( CO ) 4 ​ ​ Δ ​ P u re N i ​ + CO ↑ ​ ​

Chemistry - Complete d-block Question with Solution | TestHub

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JEE Main 2028 (Class 11)