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

321526 Which of the following elements does not show variable oxidation state?

1 Copper
2 Iron
3 Zinc
4 Chromium
CHXII08:THE D- & F-BLOCK ELEMENTS

321527 The set of correct statements is
(i) Manganese exhibits \(+ 7\) oxidation state in its oxide.
(ii) Ruthenium and Osmium exhibit \(+ 8\) oxidation state in their oxides.
(iii) Sc shows \( + \,4\) oxidation state which is oxidizing in nature.
(iv) Cr shows oxidising nature in \(+ 6\) oxidation state.

1 (ii), (iii) and (iv)
2 (i) and (iii)
3 (ii) and (iii)
4 (i), (ii) and (iv)
JEE - 2023
CHXII08:THE D- & F-BLOCK ELEMENTS

321528 The variability of oxidation state

1 is a characteristic of transition elements
2 arises out of incomplete filling of d-orbitals in such a way that their oxidation states differ from each other by unity
3 it differs from the variability of oxidation states of non-transition elements where the oxidation states normally differ by a unit of two.
4 All the above are true.
CHXII08:THE D- & F-BLOCK ELEMENTS

321529 Which amongst the following are good oxidizing agents?
A. \(\mathrm{Ce}^{4+}\)
B. \(\mathrm{Ce}^{2+}\)
C. \(\mathrm{Sm}^{2+}\)
D. \(\mathrm{Tb}^{4+}\)
Choose the most appropriate answer from the options given below.

1 C only
2 A and D only
3 A and B only
4 D only
JEE - 2023
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CHXII08:THE D- & F-BLOCK ELEMENTS

321526 Which of the following elements does not show variable oxidation state?

1 Copper
2 Iron
3 Zinc
4 Chromium
CHXII08:THE D- & F-BLOCK ELEMENTS

321527 The set of correct statements is
(i) Manganese exhibits \(+ 7\) oxidation state in its oxide.
(ii) Ruthenium and Osmium exhibit \(+ 8\) oxidation state in their oxides.
(iii) Sc shows \( + \,4\) oxidation state which is oxidizing in nature.
(iv) Cr shows oxidising nature in \(+ 6\) oxidation state.

1 (ii), (iii) and (iv)
2 (i) and (iii)
3 (ii) and (iii)
4 (i), (ii) and (iv)
JEE - 2023
CHXII08:THE D- & F-BLOCK ELEMENTS

321528 The variability of oxidation state

1 is a characteristic of transition elements
2 arises out of incomplete filling of d-orbitals in such a way that their oxidation states differ from each other by unity
3 it differs from the variability of oxidation states of non-transition elements where the oxidation states normally differ by a unit of two.
4 All the above are true.
CHXII08:THE D- & F-BLOCK ELEMENTS

321529 Which amongst the following are good oxidizing agents?
A. \(\mathrm{Ce}^{4+}\)
B. \(\mathrm{Ce}^{2+}\)
C. \(\mathrm{Sm}^{2+}\)
D. \(\mathrm{Tb}^{4+}\)
Choose the most appropriate answer from the options given below.

1 C only
2 A and D only
3 A and B only
4 D only
JEE - 2023
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CHXII08:THE D- & F-BLOCK ELEMENTS

321526 Which of the following elements does not show variable oxidation state?

1 Copper
2 Iron
3 Zinc
4 Chromium
CHXII08:THE D- & F-BLOCK ELEMENTS

321527 The set of correct statements is
(i) Manganese exhibits \(+ 7\) oxidation state in its oxide.
(ii) Ruthenium and Osmium exhibit \(+ 8\) oxidation state in their oxides.
(iii) Sc shows \( + \,4\) oxidation state which is oxidizing in nature.
(iv) Cr shows oxidising nature in \(+ 6\) oxidation state.

1 (ii), (iii) and (iv)
2 (i) and (iii)
3 (ii) and (iii)
4 (i), (ii) and (iv)
JEE - 2023
CHXII08:THE D- & F-BLOCK ELEMENTS

321528 The variability of oxidation state

1 is a characteristic of transition elements
2 arises out of incomplete filling of d-orbitals in such a way that their oxidation states differ from each other by unity
3 it differs from the variability of oxidation states of non-transition elements where the oxidation states normally differ by a unit of two.
4 All the above are true.
CHXII08:THE D- & F-BLOCK ELEMENTS

321529 Which amongst the following are good oxidizing agents?
A. \(\mathrm{Ce}^{4+}\)
B. \(\mathrm{Ce}^{2+}\)
C. \(\mathrm{Sm}^{2+}\)
D. \(\mathrm{Tb}^{4+}\)
Choose the most appropriate answer from the options given below.

1 C only
2 A and D only
3 A and B only
4 D only
JEE - 2023
For More Updates join with Us
CHXII08:THE D- & F-BLOCK ELEMENTS

321526 Which of the following elements does not show variable oxidation state?

1 Copper
2 Iron
3 Zinc
4 Chromium
CHXII08:THE D- & F-BLOCK ELEMENTS

321527 The set of correct statements is
(i) Manganese exhibits \(+ 7\) oxidation state in its oxide.
(ii) Ruthenium and Osmium exhibit \(+ 8\) oxidation state in their oxides.
(iii) Sc shows \( + \,4\) oxidation state which is oxidizing in nature.
(iv) Cr shows oxidising nature in \(+ 6\) oxidation state.

1 (ii), (iii) and (iv)
2 (i) and (iii)
3 (ii) and (iii)
4 (i), (ii) and (iv)
JEE - 2023
CHXII08:THE D- & F-BLOCK ELEMENTS

321528 The variability of oxidation state

1 is a characteristic of transition elements
2 arises out of incomplete filling of d-orbitals in such a way that their oxidation states differ from each other by unity
3 it differs from the variability of oxidation states of non-transition elements where the oxidation states normally differ by a unit of two.
4 All the above are true.
CHXII08:THE D- & F-BLOCK ELEMENTS

321529 Which amongst the following are good oxidizing agents?
A. \(\mathrm{Ce}^{4+}\)
B. \(\mathrm{Ce}^{2+}\)
C. \(\mathrm{Sm}^{2+}\)
D. \(\mathrm{Tb}^{4+}\)
Choose the most appropriate answer from the options given below.

1 C only
2 A and D only
3 A and B only
4 D only
JEE - 2023