The d-and f-Block Elements
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138
What are alloys? Name an important alloy which contains some of the lanthanoid metals. Men...
By Daksh sohum, 2 years ago
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Indicate the steps in the preparation of: (i) K2Cr2O7 from chromite ore. (ii) KMnO4 from p...
By Daksh sohum, 2 years ago
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133
Give examples and suggest reasons for the following features of the transition metal chemi...
By Daksh sohum, 2 years ago
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122
Calculate the number of unpaired electrons in the following gaseous ions: Mn^3+, Cr^3+, V^...
By Daksh sohum, 2 years ago
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133
Which metal in the first series of transition metals exhibits +1 oxidation state most freq...
By Daksh sohum, 2 years ago
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149
What is meant by 'disproportionation'? Give two examples of disproportionation reaction in...
By Daksh sohum, 2 years ago
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131
How would you account for the following: (i) Of the d^4 species, Cr^2+ is strongly reducin...
By Daksh sohum, 2 years ago
replies 1
1
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139
Compare the chemistry of actinoids with that of the lanthanoids with special reference to:
By Daksh sohum, 2 years ago
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0
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141
Describe the preparation of potassium dichromate from iron chromite ore. What is the effec...
By Daksh sohum, 2 years ago
replies 1
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137
How is the variability in oxidation states of transition metals different from that of non...
By Daksh sohum, 2 years ago
replies 1
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