D-Block Elements Test IQ Test Quiz Instructions:
D-Block Elements Test Quiz Test Questions and Options:
……………. among the following contain partially filled d – subshell and does not show variable oxidation states.
Which one is of the following is the lightest transition element?
……….. has the maximum number of unpaired electrons.
The lowest degree of paramagnetism per mole of the compound at 298 K will be shown by:
What is the equivalent weight of KMnO4 when it is converted in MnSO4?
In the complex [Fe(H2O) 5 (NO) +]SO4. The oxidation state of iron is:
Which of the following statement is correct?
A: Zinc reacts with dil. HNO3 to produce NO2
B: Zinc reacts with dil. HNO3 to produce N2
C: Zinc reacts with conc. HNO3 to produce of mixture of NO and NO2
D: Zinc reacts with very dil. HNO3 to produce NH4NO3
Which among the following is present in Gun-metal?
The cyanide complex used for the extraction of Gold is:
A: [Au (CN) ]
B: [Au (CN) 4]
C: [Au (CN) 3]
D: [Au (CN) 2]
Formation of …………. takes place when Zn dissolves in an excess of NaOH.
B: Zn O
C: Zn (OH) 2
D: Na Zn (OH) 3
What is the nature of Zn (OH) 2?
Which of the following will show maximum magnetic moment?
Due to which property Zr and Hf shows similar atomic and ionic size?
A: They are in the same group
B: Lanthanide contraction
C: They have similar chemical properties
D: Diagonal relationship
Which among the following is a Zeigler – Natta?
C: Pt/PtO catalyst
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
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