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conductometric titratins : weak base within a weak acid
what is the hydrogenation reaction
Two element have electronegativity of 1.2 and 3.0. Bond formed between them would be: (1) Ionic (2) Polar covalent ( 3) Co-ordinate (4) Metallic A ns: Ionic
Which of the following sets of orbitals may degenerate : (1) 2s, 2p x , 2p y (2) 3s, 3p x , 3d xy (3) 1s, 2s, 3s
If the atomic weight of an element is 23 times that of the lightest element and it has 11 protons, then it contains : (1)11 protons, 23 neutrons, 11 electrons (2)11 protons,
Most ligands have a nonbonding electron pair that may react as a donor to empty orbitals on the metal atom. In ligands known as π acids or π acceptors a donor-acceptor communic
The atomic number of an element is 35 and mass number is 81. The number of electrons in the outer most shell is: (1) 7 (2) 6 (3) 5 (4) 3 Ans: 7
descibe mucopolysaccharide and its biological importance
how can we test s2o3 in lab
If uncertainty in the position of an electron is zero, the uncertainty in its momentum would be: (1) Zero (2) (3) > h/ 2γ (4) Infinite
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