The temperature of ideal gas is reduced from 927° C to 27° C. The r.m.s velocity of the molecules becomes
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(a) double the initial value (b) half the initial value (c) four […]
Radius of first orbit of the electron in a hydrogen atom is 0.53 Å. So the radius of the third orbit will be
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(a) 1.12 Å (b) 4.77 Å (c) 1.06 Å […]
The total energy of a particle executing SHM is 80 J. What is the potential energy when the particle is at a distance of 3/4 of amplitude from mean position
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(a) 60 […]
When a mixture of solid Nacl and solid K₂Cr₂O₇ is heated with concentrated sulphuric acid, the orange red vapours obtained are due to
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(a) chromic chloride (b) chromous chloride (c) chromyl chloride […]
Picric acid is
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(a) 2,4,6-trinitrotoluene (b) 2,4,6-tribromophenol (c) para-trinitrophenol (d) 2,4,6-trinitrophenol
Correct Answer:
2,4,6-trinitrophenol
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Specific conductance of 0.1 M sodium chloride solution is 1.06 ˣ 10⁻² ohm⁻¹ cm⁻¹. Its molar conductance in ohm⁻¹ cm² mol⁻¹ is
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(a) 1.06 ˣ 10² (b) 1.06 ˣ 10³ (c) 1.06 […]
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