MCQ Quiz on Class 12 Chemistry Chapter 8 The d-and f-Block Elements with Answers

We have compiled the MCQ Questions for Class 12 Chemistry Chapter 8 The d-and f-Block Elements with Answers Pdf free download covering the entire syllabus for JEE/NEET and Boards. Practice MCQ Questions for Class 12 Chemistry with Answers on a daily basis and score well in exams. Refer to the The d-and f-Block Elements Class 12 MCQs Quiz Questions with Answers here along with a detailed explanation.

The d-and f-Block Elements Class 12 MCQs Questions with Answers

MCQ Questions for Class 12 Chemistry Chapter 8 The d-and f-Block Elements with Answers

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1. Most abundant element in earth’s crust is:

 
 
 
 

2. The stability of Mn2+, Fe2+, Cr2+, Co2+ is in order of (At No. of Mn = 25, Fe = 26, Cr = 24, Co = 27):

 
 
 
 

3. CuSO4. 5H2O is blue is colour because:

 
 
 
 

4. The colour of KmnO, is due to:

 
 
 
 

5. According to IUPAC nomenclature sodium nitroprusside dihydrate is named as:

 
 
 
 

6. Transistion metals, despite high E° oxidation, are poor reducing agents. The incorrect reason is:

 
 
 
 

7. Maximum oxidation number of manganese is in:

 
 
 
 

8. Misch metal is an alloy of:

 
 
 
 

9.  Which of the following products are obtained when Na2CO3 is added to a solution of copper sulphate?

 
 
 
 

10. Anomalous electronic configuration in the 3d series are of:

 
 
 
 

11. When potassium ferrocyanide crystals are heated with concentrated sulphuric acid, the gas evolved is:

 
 
 
 

12. Colour of transition metal ions are due to absorption of some wavelength. This results in:

 
 
 
 

13. The melting point of copper is higher than that of zinc because:

 
 
 
 

14. In a given shell, The order of screening effect is:

 
 
 
 

15. Which of the following is not an actinoid?

 
 
 
 

16. Which one of the following characteristics of the transistion metals is associated with higher catalytic activity?

 
 
 
 

17. Shape of d-orbital is:

 
 
 
 

18. Which of the following factor may be regarded as the main cause of lanthanide contraction?

 
 
 
 

19. The radius of La3+ (At. No. of La = 57) is 1.06 A°. Which one of the following given values will be closest to the radius of Lu3+

 
 
 
 

20. One mole of acidfied K2Cr3+O on reaction with excess KI will liberate ………….. mole(s) of I2:

 
 
 
 

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