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The electronic configuration (outermost) of Mn+2 ion (atomic number of Mn= 25 ) in its ground state is:
(1) 3d5, 4so
(2) 3d4, 4s1
(3) 3d3, 4s2
(4) 3d2, 4s2, 4p2
Ans: 3d5, 4so
#questiowhy HNO3 is not used for detection of acidic radical of 1st and 2nd group ions?n..
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Calculate the force constant of CF4 and SiF4 and compare their relative strengths with each other. The heats of formation of CF 4 and SiF 4 are -1222 kJmol -1 and -1615
describe the steps involved in a sampling operation of a chemical sample
Properties of Bi-phenyl - Hydrocarbon Bi-phenyl is a colourless solid, melting point 71°C. It goes through usual electrophilic replacement reactions. As aryl set are electron w
Energy of electron of hydrogen atom in second Bohr orbit is: (1)-5.44x10 -19 j (2)- 5.44x10 -19 kj (3)-5.44x10 -19 cal
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The number of electrons involved in the bond formation of N 2 molecule : (1) 2 (2) 4 (3) 6 (4) 10 Ans: 6
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