Is the energy of an electron in 2s orbital same as of that in 2p orbital? Why?
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The minimum orbital angular momentum of the electron in a hydrogen atom is (a) h
(c) The electron in a hydrogen atom is h/2π.
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Consider a photon of continuous X-ray coming from a Coolidge tube. Its energy comes from (a) the kinetic energy of the striking electron
(a) the kinetic energy of the striking electron
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The energy of a photon of characteristic X-ray from a Coolidge tube comes from (a) the kinetic energy of the striking electron
(d) an atomic transition in the target.
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A proton and an electron have same velocity. Which one has greater de-Broglie wavelength and why?
de Broglie wavelength (λ) is given as λ = h/mv Given vp =ve where vp = velocity of proton ve = velocity of electron Since mp > me From the given relation λ ∝1/m, hence λp <...
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Why is s-orbital orbital considered non directional while p-orbital directional?
Electron density in s-orbital is equal in all direction while it dumble shaped along one axis in p- orbitals.
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Give Reason. Overlapping of S orbital with any other orbital forms sigma bonds.
Because s orbital has same electron distribution in all axis/ directions.
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Distinguish between bonding molecular orbital and anti-bonding molecular orbital.
(i)The bonding molecular orbital has lower energy and hence greater stability than the corresponding antibonding molecular orbital. (ii) Just as the electron probability distribution around a nucleus in an atom is...
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Out of p-orbital and sp hybrid orbital which has greater directional character and why?
sp because lobes of p orbital have equal electron density whereas sp hybrid orbital has greater electron density on one side
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Distinguish between atomic orbital and molecular orbital.
An atomic orbital is monocentric while a molecular orbital is polycentric.
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What do you understand by (i) electron-deficient,(ii) electron-précise and (iii) electron precise hydrides.
Electron-deficient: the hydrides which contain less than eight electron in their outmost shell are called electron- deficient for exam B2H6 Electron- precise: These hydrides contain exact number of electron to form...
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