Tiêu đề 09. COORDINATION COMPOUNDS.pdf ✅

(1.) In coordination compounds metals show how many types of valences [Page: 238] (a) Two (b) Three (c) Four (d) Five (2.) Which of the following is the correct chemical formula of Mohr’s salt? [Page: 239] (a) ( ) 4 2 2 KAl SO 12H O  (b) KCl MgCl 6H O 2 2   (c) ( ) 4 4 4 2 2 FeSO NH SO 6H O   (d) None of these (3.) Which of the following is the correct combination with name and chemical formula? [Page: 239] (a) KCl MgCl 6H O : Camallite 2 2   (b) ( ) 4 4 4 2 2 FeSO NH SO 6H O : Potash alum   (c) ( ) 4 2 2 KAl SO 12H O : Mohr’ssalt  (d) None of these (4.) Which of the following is not considered as unidentate ligand? [Page: 24O] (a) Cl− (b) H O2 (c) NH3 (d) 2 C O2 4 − (5.) Which of the following statement is correct regarding ethylenediammnetetraacetate ion ( ) 4 EDTA ? − [Page: 240] (a) It is a hexadentate ligand. (b) It can bind through two nitrogen and four oxygen atoms to a central metal ion. (c) It can bind through four nitrogen and two oxygen atoms to a central metal ion. (d) Both (a) and (b) (6.) Select the correct pair of ambidentate ligand. [Page: 240] (a) H O 2 and 3 NH (b) NO 2 − and SCN− (c) 2 C O 2 4 − and 3 NH (d) NO 2 − and 2 2 4 C O (7.) Which of the following coordination compound is also known as heteroleptic complex? [Page: 240] (a) ( ) 3 3 6 Co NH +    