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In the given bonds which one is most ionic:
(1) Cs- cl
(2) Al- Cl
(3) C-Cl
(4) H- Cl
Ans: Cs- cl
Time taken for an electron to complete one revolution in the Bohr orbit of hydrogen atom is: (1) 4 Π mr 2 / nh (2) nh/ 4Π 2 mr (3) nh/ 4Π 2 mr 2
what is an atom
Stability of alkenes - Applications of hyperconjugation Hyperconjugation describes the stability of specific alkenes over other alkenes. Stability of alkenes ∝ Number of alpha
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Silver has a density of 10.5gcm -3 . The no. of silver atoms on a surface area of 10-12m 2 can be expressed in scientific notation aas y x 10x.The value of x is ..? Ans) d = m
Equivalent weight of Ca in Ca3(PO4)2 is
The effects that temperature has on the equilibrium position of a reaction can also be explained by using Le Chtelier's Principle. Recall that in an exothermic reaction, heat i
The total magnetic quantum numbers for d-orbital is given by: (1) 2 (2) 0, ± 1, ± 2 (3) 0, 1, 2 (4) 5 ans: 5
why boron shows +3 as well as-3 oxidation states?
Q. Classification of emulsifiers? Emulsifiers can be classified under two categories. These are: • Natural: These are naturally present in foods. Some examples are phosphol
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