Which one of the following exhibits the highest oxidation state?
Anonymous Quiz
58%
(a) Mn
24%
(b) Fe
15%
(c) Cr
3%
(d) V
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A coil of resistance 20 Ξ© is connected across a galvanometer. When the flux linked with it changes from 0.02 Wb to 0 in 0.01 s, the current in the coil is:
Anonymous Quiz
31%
(a) 0.05 A
40%
(b) 0.1 A
22%
(c) 0.2 A
8%
(d) 0.5 A
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The RMS value of current in an AC circuit is 10 A. The peak value of the current is:
Anonymous Quiz
26%
a) 7.07 A
33%
b) 10 A
33%
c) 14.14 A
8%
d) 20 A
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Common Names of Benzene Derivatives: Most Importantπ₯| Class 12 Chemistry For Boards
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Which of the following undergoes nucleophilic substitution by SN2 mechanism most easily?
Anonymous Quiz
38%
a) CHβCl
22%
b) CβHβ
Cl
28%
c) (CHβ)βCCl
12%
d) CHβCHβCHβCl
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A rectangular coil of 50 turns and area 0.02 mΒ² is placed in a uniform magnetic field of 0.1 T. The maximum torque on the coil when carrying 2 A current is:
Anonymous Quiz
18%
(a) 0.1 Nm
52%
(b) 0.2 Nm
24%
(c) 0.5 Nm
6%
(d) 1 Nm
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Which transition element has the highest melting point?
Anonymous Quiz
15%
(a) Mo
25%
(b) W
37%
(c) Cr
23%
(d) Fe
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The average power consumed in an AC circuit with a pure inductor is:
Anonymous Quiz
26%
a) Maximum
45%
b) Zero
10%
c) Half
20%
d) Depends on frequency
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The capacitance of a capacitor depends on:
Anonymous Quiz
16%
A) Charge only
17%
B) Potential only
61%
C) Size, shape, and medium between plates
6%
D) None of these
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Which is the major product when 2-bromopentane is treated with alcoholic KOH?
Anonymous Quiz
23%
a) Pent-1-ene
60%
b) Pent-2-ene (cis + trans)
11%
c) Pentane
7%
d) Cyclopentane
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