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1)why hydroboration leads to anti-markovnikov addition of hydrogen whereas most electrophilic additions to alkenes result in Markovnikov addition. 2) draw the full mechanism and id
Q. What is Atomic Mass Units? Ans. Notice in the last column of the table, the masses of the subatomic particles are reported in atomic mass units. The actual masses of electro
The uncertainty principle and the concept of wave nature of matter was proposed by ...... and ...... respectively: (1) Heisenberg, de Broglie (2) de-Broglie, Heisenberg
the measured dipole moment of-para nitroaniline (6.2D) is larger than the value calculating using empirical group moment (5.2D)
A tank contains 50 gal of a solution of NaCl in water (20% wt). To wash the tank, we supply fresh water at 10 gal/min and drain the tank at the constant rate of 10 gal/min. Determi
Q. How to Replace Metals from their Salts: Ans. If zinc is added to a solution of copper (II) sulfate, it dissolves. A reddish-brown deposit of metallic copper appears,
Which of the following set of quantum numbers is possible: (1) n=3, l=2, m=2,and s = +1/2 (2) n=3, l=4, m=0,and s = -1/2 (3) n=3, l=2, m=2,and s = +1/2 (4
The electrons would go to lower energy levels first and then to higher energy levels according to which of the following: (1) Aufbau principle (2) Pauli's exclusion princip
Table gives some halides and oxides of the 3 d series elements, selected to show the range of stable oxidation states. These follow the similar trends as required in aqueous chem
Ions which have the same electronic configuration are those of: (1) Lithium and sodium (2) Sodium and potassium (3) Potassium and calcium (4) Oxygen and chlorine An
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