D-Block Elements Test MCQs
D-Block Elements Test MCQs
The following D-Block Elements MCQs have been compiled by our experts through research, in order to test your knowledge of the subject of D-Block Elements. We encourage you to answer these multiple-choice questions to assess your proficiency.
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1: Which among the following is a Zeigler – Natta?
A. Pt/Rh
B. Pt/PtO catalyst
C. TiCl4/Al(C2H5)3
D. Pt
2: Due to which property Zr and Hf shows similar atomic and ionic size?
A. They are in the same group
B. Lanthanide contraction
C. Diagonal relationship
D. They have similar chemical properties
3: Similarity between Nb and Ta is because they:
A. Belong to same group of periodic table
B. Are transition metals
C. Have almost same ionic and covalent radii
D. Have the same mineral source
4: Coinage metals show the properties of:
A. Typical elements
B. Normal elements
C. Transitional elements
D. Inert elements
5: Zinc and mercury differs in showing variable valency like d – block elements because:
A. They are soft
B. Their d – shells are incomplete
C. They have only two electrons in the outermost shell
D. Their d – shells are complete
6: Which of the following statement is correct?
A. Zinc reacts with dil. HNO3 to produce N2
B. Zinc reacts with conc. HNO3 to produce of mixture of NO and NO2
C. Zinc reacts with dil. HNO3 to produce NO2
D. Zinc reacts with very dil. HNO3 to produce NH4NO3
7: Cd2+ is isoelectronic with:
A. Zn2+
B. Pb2+
C. Ag+
D. Cu2+
8: Which among the following is a set of transition elements?
A. Pt, Cd, Sb
B. Sn, Bi, Mn
C. Hg, Pb, Cu
D. Zr, Au, Ni
9: What is the equivalent weight of KMnO4 when it is converted in MnSO4?
A. M/5
B. M/6
C. M/2
D. M/3
10: What happens when NH4OH is added to a solution of copper sulphate?
A. A deep blue solution is obtained
B. Blue precipitate of copper hydroxide is obtained
C. No change is observed
D. Black precipitate of copper oxide is obtained
11: Which among the following show variable oxidation states?
A. CD
B. All
C. Hg
D. Zn
12: The process used for the extraction of gold is:
A. Sodium amalgam vertical retort process
B. Mac Arthur – Forest cyanide process
C. Bayer’s process
D. Parke’s process
13: What is the use of Zeigler – Natta catalyst?
A. In the Ostwald process for converting NH3 into NO
B. Polymerization of alkyne to give benzene
C. Oxidizing alcohols to aldehydes
D. Polymerization of ethane to produce polythene
14: What is the nature of Zn (OH) 2?
A. Acidic
B. Amphoteric
C. Basic
D. Neutral
15: In which form zinc is present in the ore willemite?
A. ZnO
B. ZnS
C. ZnCo3
D. Zn2SiO4
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D-Block Elements Test MCQs
