General characteristics of the transition elements
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CHXII08:THE D- & F-BLOCK ELEMENTS

321547 Transition elements show generally positive oxidation state due to

1 Large atomic size
2 Low ionisation energy
3 Low electronegativity
4 High electronegativity
CHXII08:THE D- & F-BLOCK ELEMENTS

321548 Variable valency of transition elements is on account of

1 incomplete \(\mathrm{\mathrm{p}}\) - orbitals
2 incomplete d - orbitals
3 completely filled \(\mathrm{d}\) - orbitals
4 completely filled \(\mathrm{p}\) - orbitals
CHXII08:THE D- & F-BLOCK ELEMENTS

321549 Highest oxidation state of Mn is exhibited in \({\rm{M}}{{\rm{n}}_2}{{\rm{O}}_7}.\) The correct statements about \(\mathrm{Mn}_{2} \mathrm{O}_{7}\) are
A. Mn is tetrahedrally surrounded by oxygen atoms.
B. Mn is octahedrally surrounded by oxygen atoms.
C. Contains Mn-O-Mn bridge.
D. Contains Mn-Mn bond.
Choose the correct answer from the options given below:

1 B and C only
2 A and C only
3 A and D only
4 B and D only
CHXII08:THE D- & F-BLOCK ELEMENTS

321550 Which element from the following exhibits various different oxidation states from +2 to +7?

1 \(\mathrm{Mn}\)
2 \(\mathrm{Cr}\)
3 \(\mathrm{V}\)
4 \(\mathrm{Ni}\)
CHXII08:THE D- & F-BLOCK ELEMENTS

321547 Transition elements show generally positive oxidation state due to

1 Large atomic size
2 Low ionisation energy
3 Low electronegativity
4 High electronegativity
CHXII08:THE D- & F-BLOCK ELEMENTS

321548 Variable valency of transition elements is on account of

1 incomplete \(\mathrm{\mathrm{p}}\) - orbitals
2 incomplete d - orbitals
3 completely filled \(\mathrm{d}\) - orbitals
4 completely filled \(\mathrm{p}\) - orbitals
CHXII08:THE D- & F-BLOCK ELEMENTS

321549 Highest oxidation state of Mn is exhibited in \({\rm{M}}{{\rm{n}}_2}{{\rm{O}}_7}.\) The correct statements about \(\mathrm{Mn}_{2} \mathrm{O}_{7}\) are
A. Mn is tetrahedrally surrounded by oxygen atoms.
B. Mn is octahedrally surrounded by oxygen atoms.
C. Contains Mn-O-Mn bridge.
D. Contains Mn-Mn bond.
Choose the correct answer from the options given below:

1 B and C only
2 A and C only
3 A and D only
4 B and D only
CHXII08:THE D- & F-BLOCK ELEMENTS

321550 Which element from the following exhibits various different oxidation states from +2 to +7?

1 \(\mathrm{Mn}\)
2 \(\mathrm{Cr}\)
3 \(\mathrm{V}\)
4 \(\mathrm{Ni}\)
CHXII08:THE D- & F-BLOCK ELEMENTS

321547 Transition elements show generally positive oxidation state due to

1 Large atomic size
2 Low ionisation energy
3 Low electronegativity
4 High electronegativity
CHXII08:THE D- & F-BLOCK ELEMENTS

321548 Variable valency of transition elements is on account of

1 incomplete \(\mathrm{\mathrm{p}}\) - orbitals
2 incomplete d - orbitals
3 completely filled \(\mathrm{d}\) - orbitals
4 completely filled \(\mathrm{p}\) - orbitals
CHXII08:THE D- & F-BLOCK ELEMENTS

321549 Highest oxidation state of Mn is exhibited in \({\rm{M}}{{\rm{n}}_2}{{\rm{O}}_7}.\) The correct statements about \(\mathrm{Mn}_{2} \mathrm{O}_{7}\) are
A. Mn is tetrahedrally surrounded by oxygen atoms.
B. Mn is octahedrally surrounded by oxygen atoms.
C. Contains Mn-O-Mn bridge.
D. Contains Mn-Mn bond.
Choose the correct answer from the options given below:

1 B and C only
2 A and C only
3 A and D only
4 B and D only
CHXII08:THE D- & F-BLOCK ELEMENTS

321550 Which element from the following exhibits various different oxidation states from +2 to +7?

1 \(\mathrm{Mn}\)
2 \(\mathrm{Cr}\)
3 \(\mathrm{V}\)
4 \(\mathrm{Ni}\)
CHXII08:THE D- & F-BLOCK ELEMENTS

321547 Transition elements show generally positive oxidation state due to

1 Large atomic size
2 Low ionisation energy
3 Low electronegativity
4 High electronegativity
CHXII08:THE D- & F-BLOCK ELEMENTS

321548 Variable valency of transition elements is on account of

1 incomplete \(\mathrm{\mathrm{p}}\) - orbitals
2 incomplete d - orbitals
3 completely filled \(\mathrm{d}\) - orbitals
4 completely filled \(\mathrm{p}\) - orbitals
CHXII08:THE D- & F-BLOCK ELEMENTS

321549 Highest oxidation state of Mn is exhibited in \({\rm{M}}{{\rm{n}}_2}{{\rm{O}}_7}.\) The correct statements about \(\mathrm{Mn}_{2} \mathrm{O}_{7}\) are
A. Mn is tetrahedrally surrounded by oxygen atoms.
B. Mn is octahedrally surrounded by oxygen atoms.
C. Contains Mn-O-Mn bridge.
D. Contains Mn-Mn bond.
Choose the correct answer from the options given below:

1 B and C only
2 A and C only
3 A and D only
4 B and D only
CHXII08:THE D- & F-BLOCK ELEMENTS

321550 Which element from the following exhibits various different oxidation states from +2 to +7?

1 \(\mathrm{Mn}\)
2 \(\mathrm{Cr}\)
3 \(\mathrm{V}\)
4 \(\mathrm{Ni}\)