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When α -particles are sent through a thin metal foil, most of them go straight through the foil because (one or more are correct):
(1) Alpha particles are much heavier than electrons
(2) Alpha particles are positively charged
(3) Most part of the atom is empty space
(4)Alpha particles move with high velocity
Ans: Most part of the atom is empty space
5H is the most stable, and the least stable isotope is 7H
Bond formed in crystal by anion and cation is: (1) Ionic (2) Metallic (3) Covalent (4) Dipole Ans: Ionic
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Ai want assignment
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Will benzylic halide undergo SN1 or SN2 mechanism ?Why? Ans) Benzyl chloride is a primary alkyl halide and undergo SN2 rapidly.
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