Q9/10: The magnetic moment of a transition metal ion is 3.87 BM. The number of unpaired electrons is:
Anonymous Quiz
10%
2
64%
3
22%
4
2%
5
2%
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Q10/10: Interstitial compounds are formed when small atoms are trapped inside metal lattices. They are usually:
Anonymous Quiz
9%
Chemically very reactive
27%
Very soft compared to pure metals
29%
Often non-stoichiometric
33%
Having lower melting points than pure metals
2%
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Q1/10: In an acidic medium, one mole of KMnO4 will oxidize how many moles of Fe2+ ions?
Anonymous Quiz
16%
1 mole
40%
2 moles
28%
3 moles
12%
5 moles
5%
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Q2/10: Which element belongs to the d-block but is a liquid at room temperature?
Anonymous Quiz
12%
Gallium
16%
Bromine
69%
Mercury
2%
Copernicium
2%
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Q3/10: Which of the following transition metal ions acts as a strong oxidizing agent?
Anonymous Quiz
17%
Cr2+
55%
Mn3+
23%
Ti2+
2%
V2+
2%
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Q4/10: Assertion (A): Copper dissolves in dilute nitric acid but not in dilute hydrochloric acid. Reason (R): Copper has a positive standard reduction potential.
Anonymous Quiz
53%
Both A and R are true and R explains A
32%
Both A and R are true but R does not explain A
9%
A is true but R is false
3%
A is false but R is true
3%
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Q5/10: The catalytic property of transition metals and their compounds is primarily due to their ability to:
Anonymous Quiz
57%
Adopt multiple oxidation states and form complexes
13%
Form interstitial compounds
28%
Have high enthalpies of atomization
3%
Show metallic character
0%
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❤1
Q6/10: Which of the following actinoid elements is heavily utilized as fuel in nuclear reactors?
Anonymous Quiz
26%
Thorium
15%
Americium
51%
Plutonium
5%
Curium
3%
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❤1
Q7/10: Why do transition metals form a significantly large number of complex compounds?
Anonymous Quiz
13%
Large ionic size and low charge
64%
Small size, high nuclear charge, and empty d-orbitals
18%
Low ionization enthalpy
5%
High polarizability of their anions
0%
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❤1
Q8/10: Which f-block element has the unique electronic configuration [Xe] 4f14 5d1 6s2?
Anonymous Quiz
32%
Lutetium
37%
Cerium
24%
Europium
7%
Gadolinium
0%
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Q9/10: Which copper ion is expected to be more thermodynamically stable in an aqueous solution?
Anonymous Quiz
21%
Cu+, due to its completely filled d10 subshell
55%
Cu2+, due to its much higher hydration enthalpy
21%
They are equally stable
3%
Neither is stable in water
0%
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🥰1
Q10/10: Assertion (A): Ce4+ is widely used as a good analytical volumetric reagent. Reason (R): Ce4+ has a strong tendency to reduce to the more stable Ce3+ state.
Anonymous Quiz
51%
Both A and R are true and R explains A
27%
Both A and R are true but R does not explain A
14%
A is true but R is false
5%
A is false but R is true
3%
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Next quiz today at 21:00 (in 23h 51m)
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Q1/10: Which of the following alcohols is least soluble in water?
Anonymous Quiz
20%
Methanol
28%
Ethanol
17%
Propan-1-ol
34%
Butan-1-ol
1%
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Q2/10: The IUPAC name of CH3-CH(OH)-CH2-CH3 is:
Anonymous Quiz
2%
Butan-1-ol
69%
Butan-2-ol
20%
2-Methylpropan-2-ol
10%
Propan-2-ol
0%
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Q3/10: Oxidation of a primary alcohol with Pyridinium Chlorochromate (PCC) yields:
Anonymous Quiz
24%
Carboxylic acid
18%
Ketone
50%
Aldehyde
3%
Ester
5%
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Q4/10: Which compound gives a positive Iodoform test?
Anonymous Quiz
19%
Pentan-3-one
19%
Butanal
36%
Propan-1-ol
25%
Ethanol
2%
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