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JEE CHEMISTRY MCQ: d & f- BLOCK ELEMENTS
1
Medium
1 of 1
Analyzing
+4 | -1
Which of the following statements are correct?
(i) Chromium has the highest melting point among the series 1 metals.
(ii) Number of unpaired electrons is greater in Cr than other elements of series 1 .
(iii) In any row the melting point of transition metal increases as the atomic number increases.
(i) Chromium has the highest melting point among the series 1 metals.
(ii) Number of unpaired electrons is greater in Cr than other elements of series 1 .
(iii) In any row the melting point of transition metal increases as the atomic number increases.
View answer and explanation
Correct option: B
(i) and (ii)
The correct answer is B ((i) and (ii)) because Chromium has the highest melting point in the first transition series, and it also has the maximum number of unpaired electrons in that series.
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