Chemistry
Structure-Of-Atom
Easy
Question
The graph between 
and r (radial distance) is shown below. This represents
- 3s orbital
- 2s orbital
- 2p orbital
- 1s orbital
The correct answer is: 2s orbital
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The green colour produced in the borax bead test of a chromium (III) salt is due to
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The ratio of the shortest wavelength of two spectral series of hydrogen spectrum is found to be about 9. The spectral series are :
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For any given series of spectral lines of atomic hydrogen, let
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Which one of the following about an electron occupying the 1s orbital in a hydrogen atom is incorrect ? (The Bohr radius is represented by a0).
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Which of the following statements is false regarding Arrhenius concept?
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Which of the following statement is the limitation of Arrhenius concept?
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Reason: HCl will yield hydronium ions as the only positive ions in the solution.
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Reason: HCl will yield hydronium ions as the only positive ions in the solution.
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Reason: C22H5OH donates its OH- in aqueous solutions.
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A substance that can donate the OH- ion -
A substance that can donate the OH- ion -
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Consider a reversible reaction, A + B ⇌ C + D:
Observe the diagram; when equilibrium stage will be attained -
Consider a reversible reaction, A + B ⇌ C + D:
Observe the diagram; when equilibrium stage will be attained -
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Consider a reversible reaction, A + B ⇌ C + D:
Choose the incorrect inferences from the following options -
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Choose the incorrect inferences from the following options -
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Which of the following species has the most number of H+ ions?
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