12th Class Chemistry Mcqs With Answers Chapter 6| 2nd Year chemistry mcqs with answers pdf

12th Class Chemistry Mcqs With Answers Chapter 1	12th Class Chemistry Mcqs With Answers Chapter 2
12th Class Chemistry Mcqs With Answers Chapter 3	12th Class Chemistry Mcqs With Answers Chapter 4
12th Class Chemistry Mcqs With Answers Chapter 5	12th Class Chemistry Mcqs With Answers Chapter 6
12th Class Chemistry Mcqs With Answers Chapter 7	12th Class Chemistry Mcqs With Answers Chapter 8
12th Class Chemistry Mcqs With Answers Chapter 9	12th Class Chemistry Mcqs With Answers Chapter 10
12th Class Chemistry Mcqs With Answers Chapter 11	12th Class Chemistry Mcqs With Answers Chapter 12
12th Class Chemistry Mcqs With Answers Chapter 13	12th Class Chemistry Mcqs With Answers Chapter 14
12th Class Chemistry Mcqs With Answers Chapter 15	12th Class Chemistry Mcqs With Answers Chapter 16
12th Class Chemistry Mcqs With Answers Chapter 17	12th Class Chemistry Mcqs With Answers Chapter 18
12th Class Chemistry Mcqs With Answers Chapter 19	12th Class Chemistry Mcqs With Answers Chapter 20

Chapter No 6

Transition element

1. What is formula of haematite choose which one is correct:

1. FeS₂
2. FeO₃
3. Fe₂O₃
4. Fe₃O₄

2. Which is non-typical transition elements choose which one is correct:

1. Cr
2. Mn
3. Zn
4. Fe

3. Highest oxidation state of Mn in which compound choose which one is correct:

1. K₂MnO₄
2. KMnO₄
3. MnO
4. MnO₂

4. The trace metal present in insulin is choose which one is correct:

1. Mn
2. Co
3. Fe
4. Zn

5. The hybridization of Ni in [Ni(CN)₄]⁻²ion is choose which one is correct:

1. Sp³
2. dsp³
3. D²sp³
4. dsp²

6. Which of the following cation has maximum unpaired electron choose which one is correct:

1. Ni⁺²
2. Co⁺²
3. Mn⁺²
4. Fe²⁺

7. Which is the configuration of Cr choose which one is correct:

1. 3d⁴4s²
2. 3d⁵4s¹
3. 3d⁶4s¹
4. 2d¹4s²

8. The black image on an exposed and developed photographic film is  composed of choose which one is correct:

1. Ag
2. Ag₂O
3. AgBr
4. Ag[(SrO₃)₂]

9. The strength of binding energy of transition elements depend upon choose which one is correct:

1. No. of ē-pair
2. No. of unpaired ē
3. No. of neutron
4. No. of proton

10. Mild steel contain carbon choose which one is correct:

1. 0.1 − 0.2%
2. 0.2 − 0.7%
3. 0.1 − 1.0%
4. 17

11. To prevent corrosion, iron pipes carrying drinking water are covered with  Zn by process called choose which one is correct:

1. Alloy formation
2. Electroplating
3. Galvanizing
4. Soldering

12. No of ē-pairs accepted by the central atom in a transition metal complex is  called choose which one is correct:

1. Co-ordination sphere
2. Co-ordination complex
3. Co-ordination number
4. Chelate

13. Group VIB of transition elements contains choose which one is correct:

1. Zn, Cd, Hg
2. Fe, Ru, Os
3. Cr, Mo, W
4. Mn, Te, Re

14. Which of the following is a typical transition metal choose which one is correct:

1. Sc
2. Y
3. Ra
4. Co

15. Co-ordination number of Pt in [Pt Cl(NO₂)(NH₃)²⁻ ₄] is choose which one is correct:

1. 2
2. 4
3. 1
4. 6