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Which of the following pairs of species has same electronic configuration:
(1) Zn2 and Ni2+
(2) Co+3 and Ni4
(3) Co2+ and Ni2+
(4) TI4+ and V3+
Ans: (b)Co+3 and Ni4
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Ionic bonds are usually formed by combination of elements with: (1) High ionisation potential and low electron affinity (2) Low ionisation potential and high electron affini
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Which of the following sets of quantum numbers is correct for an electron in 4f orbital: (1) n-=4, l=3. m+1, s= +1/2 (2) n-=4, l=4. m-4, s= -1/2
Q. Describe SI System and Standards Ans: What units you will you use science class? Long ago people decided that the "foot" must be standardized so that when I measure
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photochemical combination of hydrogen molecule and iodine molecule
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Carboxylate salts Carboxylate salts are less reactive than esters in nucleophilic acyl substitution reactions for two reasons. First, resonance stabilization of carboxylate s
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