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Calculate de-Broglie wavelength of an electron travelling at 1% of the speed of light:
(1) 2.73 x 10- 24
(2) 2.42 x 10-10
(3) 242.2x 10- 10
(4) None of these
ans: 2.42 x 10-10
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The type of orbitals present in Fe is : (1) s (2) s and p (3) s, p and d ()s, p, d, and f Ans: s, p and d
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Two element have electronegativity of 1.2 and 3.0. Bond formed between them would be: (1) Ionic (2) Polar covalent ( 3) Co-ordinate (4) Metallic A ns: Ionic
Q. Complexation Behaviour of the f-block? Ions of actinide and lanthanide elements have a strong tendency to form complexes with a variety of oxygen and nitrogen donor ligands.
conclusion of the topic?
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