16157
Highest \((+7) \) oxidation state is shown by
1 \(Co\)
2 \(Cr\)
3 \(V\)
4 \(Mn\)
Explanation:
\(Mn\) shows a highest oxidation state of \(+7\).
THE d-AND f-BLOCK ELEMENTS
16158
Transitional elements are
1 All metals
2 Few metals and few non-metals
3 All solids
4 All highly reactive
Explanation:
All Transition elements are Metals.
THE d-AND f-BLOCK ELEMENTS
16159
Which of the following has highest ionic radii
1 \(C{r^{ + 3}}\)
2 \(M{n^{ + 3}}\)
3 \(F{e^{ + 3}}\)
4 \(C{o^{ + 3}}\)
Explanation:
(a)\({\rm{Ionic}}\,{\rm{ radii}}\,{\rm{ }} \propto {\rm{ }}\frac{{\rm{1}}}{{{\rm{Atomic No}}{\rm{.}}}}\) Ionic radius decreases from left to right in a period.
16157
Highest \((+7) \) oxidation state is shown by
1 \(Co\)
2 \(Cr\)
3 \(V\)
4 \(Mn\)
Explanation:
\(Mn\) shows a highest oxidation state of \(+7\).
THE d-AND f-BLOCK ELEMENTS
16158
Transitional elements are
1 All metals
2 Few metals and few non-metals
3 All solids
4 All highly reactive
Explanation:
All Transition elements are Metals.
THE d-AND f-BLOCK ELEMENTS
16159
Which of the following has highest ionic radii
1 \(C{r^{ + 3}}\)
2 \(M{n^{ + 3}}\)
3 \(F{e^{ + 3}}\)
4 \(C{o^{ + 3}}\)
Explanation:
(a)\({\rm{Ionic}}\,{\rm{ radii}}\,{\rm{ }} \propto {\rm{ }}\frac{{\rm{1}}}{{{\rm{Atomic No}}{\rm{.}}}}\) Ionic radius decreases from left to right in a period.
16157
Highest \((+7) \) oxidation state is shown by
1 \(Co\)
2 \(Cr\)
3 \(V\)
4 \(Mn\)
Explanation:
\(Mn\) shows a highest oxidation state of \(+7\).
THE d-AND f-BLOCK ELEMENTS
16158
Transitional elements are
1 All metals
2 Few metals and few non-metals
3 All solids
4 All highly reactive
Explanation:
All Transition elements are Metals.
THE d-AND f-BLOCK ELEMENTS
16159
Which of the following has highest ionic radii
1 \(C{r^{ + 3}}\)
2 \(M{n^{ + 3}}\)
3 \(F{e^{ + 3}}\)
4 \(C{o^{ + 3}}\)
Explanation:
(a)\({\rm{Ionic}}\,{\rm{ radii}}\,{\rm{ }} \propto {\rm{ }}\frac{{\rm{1}}}{{{\rm{Atomic No}}{\rm{.}}}}\) Ionic radius decreases from left to right in a period.
16157
Highest \((+7) \) oxidation state is shown by
1 \(Co\)
2 \(Cr\)
3 \(V\)
4 \(Mn\)
Explanation:
\(Mn\) shows a highest oxidation state of \(+7\).
THE d-AND f-BLOCK ELEMENTS
16158
Transitional elements are
1 All metals
2 Few metals and few non-metals
3 All solids
4 All highly reactive
Explanation:
All Transition elements are Metals.
THE d-AND f-BLOCK ELEMENTS
16159
Which of the following has highest ionic radii
1 \(C{r^{ + 3}}\)
2 \(M{n^{ + 3}}\)
3 \(F{e^{ + 3}}\)
4 \(C{o^{ + 3}}\)
Explanation:
(a)\({\rm{Ionic}}\,{\rm{ radii}}\,{\rm{ }} \propto {\rm{ }}\frac{{\rm{1}}}{{{\rm{Atomic No}}{\rm{.}}}}\) Ionic radius decreases from left to right in a period.