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Ring substitution in aromatic ethers
Alkoxy group is ortho and para directing and it directs the incoming groups to ortho and para position. It becomes the aromatic ring leads to electrophilic substitution reaction.
III, IV and V points out high electron density at ortho and para position.
the value of plank''s constant
Which of the following metal ions will have maximum number of unpaired electrons: (1) Fe +2 (2) Co +2 (3) Ni +2
The ionization energy of hydrogen atom is -13.6eV. The energy required to excite the electron in a hydrogen atom from the ground state to the first excited state is (Avogadro's co
how to caculate n- factor in equivalent weight
Theories of origin of petroleum : Theories should describe the following characteristics related with petroleum, Its association along with brine or sodium chloride solution. T
Fission of Covalent bond
In a potassium atom, electronic energy levels are in the following order: (1) 4s>3d (2) 4s>4p (3) 4s (4) 4s Ans: 4s
Discuss the topic
Q. An aqueous solution of the protein bovine serum albumin, containing 2:00 x 10 -2 g of protein per cubic centimeter, has an osmotic pressure of 8.1 x 10 -3 bar at 0 C. Estim
What is meant by entropy driven reaction? How can a reaction with positive changes of enthalpy and entropy are made entropy driven
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