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Q. in radioactive decay, a nucleus emits an alpha particle and two beta particle successively. show that the final nucleus is an isotope of original nucleus. Ans: Let the mass and
why is carbon valency four
The amount of heat liberated when single mole of any substance is completely burnt in oxygen is known as heat of combustion H is negative for heat of combustion.
Distinguish between van''t Hoff Method and Oswald Isolation Method. In each case give an expression for the rate of reaction.
Calculate ionisation potential of the electron in the first exited state of singly ionised Helium atom is given by ionisation of Hydrogen atom to be 13.6 eV. Ans: According to
Explain terminal carbons and central carbons The terminal carbons are bound to three groups, and are thus trigonal planar. The central carbon is bound to two groups, and is
Application of mesomeric effect (A) Low reactivity of vinyl halides and aryl, (B) The acidic behavior of carboxylic acids, (C) Basic character comparison of aniline and e
Q. Show the chemical properties of Aluminium? Aluminium has a very high affinity for oxygen; this is reflected in high exothermic heat of formation of Al 2 0 3 (-1676 kJ mol -
how to draw 3D stereoisomers for a compound?
Q. Show the chemical properties of Uranium? Uranium is mainly extracted from pitchblende. The concentrated ore (pitchblende, U 3 O 8 ) is washed and then fused with sodium nitr
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