LEFT[ Ni{{\left( CO \right)}_{4}} \right]}}\,\] \[\xrightarrow{230{}^\circ C}\underset{(pure)}{\mathop{Ni}}\,+4CO\uparrow \] (II) \[C{{u}_{2}}S+\frac{3}{2}{{O}_{2}}\xrightarrow{\Delta }C{{u}_{2}}O+S{{O}_{2}}\] \[C{{u}_{2}}S+2C{{u}_{2}}O\xrightarrow[temp.]{high}6Cu+S{{O}_{2}}\] (III) \[MGC{{l}_{2}}(g)\xrightarrow{electrolysis}M{{g}^{2+}}(l)+2C{{l}^{-}}(l)\] At cathode: \[M{{g}^{2+}}+2{{e}^{-}}\xrightarrow{{}}Mg(s)\] At ANODE: \[2C{{l}^{-}}\left( l \right)\xrightarrow{{}}C{{l}_{2}}\left( g \right)+2{{e}^{-}}\]

"> LEFT[ Ni{{\left( CO \right)}_{4}} \right]}}\,\] \[\xrightarrow{230{}^\circ C}\underset{(pure)}{\mathop{Ni}}\,+4CO\uparrow \] (II) \[C{{u}_{2}}S+\frac{3}{2}{{O}_{2}}\xrightarrow{\Delta }C{{u}_{2}}O+S{{O}_{2}}\] \[C{{u}_{2}}S+2C{{u}_{2}}O\xrightarrow[temp.]{high}6Cu+S{{O}_{2}}\] (III) \[MGC{{l}_{2}}(g)\xrightarrow{electrolysis}M{{g}^{2+}}(l)+2C{{l}^{-}}(l)\] At cathode: \[M{{g}^{2+}}+2{{e}^{-}}\xrightarrow{{}}Mg(s)\] At ANODE: \[2C{{l}^{-}}\left( l \right)\xrightarrow{{}}C{{l}_{2}}\left( g \right)+2{{e}^{-}}\]

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Consider the following metallurgical processes:(I) Heating impure metal CO and distilling the resulting volatile carbonyl \[\left( b.p.\text{ }43{}^\circ C \right)\] and finally decomposition at \[150{}^\circ -200{}^\circ C\] to get the pure metal(II) Heating the sulphide ore in air until a part is converted to oxide and then furher heating in the absence of air to let the oxide react with unchanged metal sulphide(III) Electrolysis of the molten electrolyte containing approximately equal amounts of the metal chloride and \[NaCl\] to obtained the metalThe processes used for obtaning magnesium, nickel and copper are respectively:

NEET Chemistry in NEET 1 year ago

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[c] (I) \[\underset{(impure)}{\mathop{Ni}}\,+4CO\xrightarrow{50{}^\circ C}\underset{(volite)}{\mathop{\LEFT[ Ni{{\left( CO \right)}_{4}} \right]}}\,\] \[\xrightarrow{230{}^\circ C}\underset{(pure)}{\mathop{Ni}}\,+4CO\uparrow \] (II) \[C{{u}_{2}}S+\frac{3}{2}{{O}_{2}}\xrightarrow{\Delta }C{{u}_{2}}O+S{{O}_{2}}\] \[C{{u}_{2}}S+2C{{u}_{2}}O\xrightarrow[temp.]{high}6Cu+S{{O}_{2}}\] (III) \[MGC{{l}_{2}}(g)\xrightarrow{electrolysis}M{{g}^{2+}}(l)+2C{{l}^{-}}(l)\] At cathode: \[M{{g}^{2+}}+2{{e}^{-}}\xrightarrow{{}}Mg(s)\] At ANODE: \[2C{{l}^{-}}\left( l \right)\xrightarrow{{}}C{{l}_{2}}\left( g \right)+2{{e}^{-}}\]

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Posted on 06 Aug 2024, this text provides information on NEET related to Chemistry in NEET. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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