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Q.

Choose the correct Statements from the following:
(A) Ethane- I 2-diamine is a chelating ligand.
(B) Metallic aluminium 1s produced by elecrtrolysis of aluminium oxide in presence of cryolite.
(C) Cyanide ion is used as ligand for leaching of silver.
(D) Phosphine act as a ligand in Wilkinson catalyst.
(E) The stability constants of Ca2+ and Mg2+ are similar with EDTA complexes.
Choose the correct answer from the options given below:

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a

(B), (C), (E) only

b

(C), (D), (E) only

c

(A), (D), (E) only

d

(A), (B), (C) only

answer is C.

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Detailed Solution

Question Image

Based on Hall-Heroults process
[Rh(PPh3)3Cl] Wilkinson's catalyst
Ag2S+NaCN⇌AirNa[Ag(CN)2]+Na2S
Ca++ ion forms more stable complex with EDTA

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Choose the correct Statements from the following:(A) Ethane- I 2-diamine is a chelating ligand.(B) Metallic aluminium 1s produced by elecrtrolysis of aluminium oxide in presence of cryolite.(C) Cyanide ion is used as ligand for leaching of silver.(D) Phosphine act as a ligand in Wilkinson catalyst.(E) The stability constants of Ca2+ and Mg2+ are similar with EDTA complexes.Choose the correct answer from the options given below: