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ICSE-d- AND- f- BLOCK ELEMENTS-EXERCISE (PART-I)(CORRECT THE FOLLOWING STATEMENTS BY CHANGING THE UNDERLINE PART OF THE SENTENCE : )
- d-block elements are called ul("inner-transition elements.")
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- In d-block elements, ul"(n - 2)d-subshell is incomplete"
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- Brass is an alloy of ul"copper and tin"
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- Paramagnetism is the property of ul"paired electrons. "
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- Paramagnetism is common in ul"p-block elements."
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- Outer electronic configuration of Cu is ul(3d^9) ul (4s^2).
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- Most common oxidation state of lanthanoids isul(+5)
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- The transition element iron belongs to ul"4d-series of transition elem...
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- Transition elements are ul"more electropositive" than group 1 elements
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- Substances in which all the electron spins are paired are ul"termed as...
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- Potassium permanganate is used as a ul"reducing agent" in acidic mediu...
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- The equivalent mass of KMnO4 in alkaline and neutral mediums is ul"one...
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- The tendency to form complexes of the lanthanoids is ul "more" than th...
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- In presence of alkali, purple colour of KMnO4 changes to ul"yellow. "
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- Due to lanthanoid contraction, basic strength of oxides and hydroxides...
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