General Science MCQ – 135 (Chemistry)

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1. When 0.1 mol CoCl3(NH3)5 is combined with agNo3, then 0.2 mol AgCl is obtained. The conductivity of the solution suits the?
(A) 1:3 electrolyte
(B) 1:1 electrolyte
(C) 3:1 electrolyte
(D) 1:2 electrolyte

2. A chelating agent has two or more than two donor atoms to bind to a single metal ion. Which of the following is not a chelating agent?
(A) Thiosulphato
(B) Oxalato
(C) Glycinato
(D) Ethane-1,2-diamine

3. IUPAC name of[Pt(NH3)2 Cl(NO2)] is?
(A) Platinum diamminechloronotritr
(B) Chloronitrito-N-ammineplatinum (II)
(C) Diamminechloridonitrito-N-platinum (II)
(D) Diamminechloronitrito-N-plantinate (II)

4. In the complex [E(en)2(C2O4)]NO2 (where (en) is ethylenediamine) _______are the coordination number and the oxidation state of the element ‘E’ respectively?
(A) 6 and 2
(B) 2 and 2
(C) 4 and 3
(D) 6 and 3

5. The sum of coordination number and oxidation number of the metal M in the complex [M(en)₂(C₂O₄)]Cl (where (en) is ethylenediamine) is?
(A) 9
(B) 6
(C) 7
(D) 8

6. Some salts containing two different metallic elements give a test for only one of them in solution, such salts are?
(A) Double salts
(B) Normal salts
(C) Complex salts
(D) None of the above

7. An example of a sigma bonded organometallic compound is?
(A) Grignard reagent
(B) Ferrocene
(C) Cobaltocene
(D) Ruthenocene

8. Iron carbonyl, Fe(CO)₅ is?
(A) Tetranuclear
(B) Mononuclear
(C) Dinuclear
(D) Trinuclear

9. The type of isomerism shown by the complex [CoCl₂(en)₂] is?
(A) Geometrical isomerism
(B) Coordination isomerism
(C) Linkage isomerism
(D) Ionization isomerism

10. Which of the following elements do not form a complex with EDTA?
(A) Ca
(B) Mg
(C) Be
(D) Sr

General Science MCQ – 134 (Biology)