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The uncertainty in momentum of an electron is 1 x 10-5 kgm/ s . The uncertainity in its position will be( h= 6.63 x 10 -34 Js) :
(1) 5.28 x 10 -30m
(2) 5.25 x 10 -38m
(3) 1.05 x 10 -26m
(4) 2.715 x 10-30 m
Ans: 5.28 x 10 -30m
The atomic number of an element is 35. What is the total number of electrons present in all the p-orbitals of the ground state atom of that element: (1) 6 (2) 11
CHOCH2CH(OH)CH2COOH
Draw the structure of anisole and phenetole
ClCH 2 CH 2 CH 2 COPh + Methanoic acid ----------------> CH2-(CH2)-CH2-CO-C 6 H 6
Chemical methods - Purification of organic compounds Besides these physical methods, few chemical methods have as well been utilized to separate a mixture of organic compounds.
Q. What is a mixture experiment? Mixture experiment is an experiment in which food quality indices are assured to depend on the relative proportion of ingredients.
We can find a compound is acid or base by using litmus test. Acides turnes red litmus to blue colour, in case of base it turnes blue litmus to red.(or) According to arrhenius
A solution is prepared with 3.85g of a non-ionic unknown compound in 100.0g cyclohexane. The solution had a freezing point of 4.18 degrees Celsius. What is the molar mass of the un
Naming complex substituents - IUPAC system of nomenclature If the substituent on the parent chain is complex ( that is it is branched) it is termed as substituted alkyl g
electrode system
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