321232 The battery industry requires

321233 Assertion :
The correct order of oxidising power is :
\(\mathrm{VO}_{2}^{+} < \mathrm{Cr}_{2} \mathrm{O}_{7}^{2-} < \mathrm{MnO}_{4}^{-}\).
Reason :
The oxidation state of \(\mathrm{Mn}\) is +7 .

321234 The oxoanion in which oxidation state of the central atom is same as its group number in periodic table.

321235 Which of the following statements are INCORRECT?
I. All the transition metals except scandium form MO oxides which are ionic.
II. The highest oxidation number corresponding to the group number in transition metal oxides is attained in \(\mathrm{Sc}_{2} \mathrm{O}_{3}\) to \(\mathrm{Mn}_{2} \mathrm{O}_{7}\).
III. Basic character increases from \(\mathrm{V}_{2} \mathrm{O}_{3}\) to \(\mathrm{V}_{2} \mathrm{O}_{4}\) to \(\mathrm{V}_{2} \mathrm{O}_{5}\).
IV. \(\mathrm{V}_{2} \mathrm{O}_{4}\) dissolves in acids to give \(\mathrm{VO}_{4}^{3-}\) salts.
V. \(\mathrm{CrO}\) is basic but \(\mathrm{Cr}_{2} \mathrm{O}_{3}\) is amphoteric.
Choose the correct answer from the options given below:

321236 Which of the following is most acidic?

321232 The battery industry requires

321233 Assertion :
The correct order of oxidising power is :
\(\mathrm{VO}_{2}^{+} < \mathrm{Cr}_{2} \mathrm{O}_{7}^{2-} < \mathrm{MnO}_{4}^{-}\).
Reason :
The oxidation state of \(\mathrm{Mn}\) is +7 .

321234 The oxoanion in which oxidation state of the central atom is same as its group number in periodic table.

321235 Which of the following statements are INCORRECT?
I. All the transition metals except scandium form MO oxides which are ionic.
II. The highest oxidation number corresponding to the group number in transition metal oxides is attained in \(\mathrm{Sc}_{2} \mathrm{O}_{3}\) to \(\mathrm{Mn}_{2} \mathrm{O}_{7}\).
III. Basic character increases from \(\mathrm{V}_{2} \mathrm{O}_{3}\) to \(\mathrm{V}_{2} \mathrm{O}_{4}\) to \(\mathrm{V}_{2} \mathrm{O}_{5}\).
IV. \(\mathrm{V}_{2} \mathrm{O}_{4}\) dissolves in acids to give \(\mathrm{VO}_{4}^{3-}\) salts.
V. \(\mathrm{CrO}\) is basic but \(\mathrm{Cr}_{2} \mathrm{O}_{3}\) is amphoteric.
Choose the correct answer from the options given below:

321236 Which of the following is most acidic?

321232 The battery industry requires

321233 Assertion :
The correct order of oxidising power is :
\(\mathrm{VO}_{2}^{+} < \mathrm{Cr}_{2} \mathrm{O}_{7}^{2-} < \mathrm{MnO}_{4}^{-}\).
Reason :
The oxidation state of \(\mathrm{Mn}\) is +7 .

321234 The oxoanion in which oxidation state of the central atom is same as its group number in periodic table.

321235 Which of the following statements are INCORRECT?
I. All the transition metals except scandium form MO oxides which are ionic.
II. The highest oxidation number corresponding to the group number in transition metal oxides is attained in \(\mathrm{Sc}_{2} \mathrm{O}_{3}\) to \(\mathrm{Mn}_{2} \mathrm{O}_{7}\).
III. Basic character increases from \(\mathrm{V}_{2} \mathrm{O}_{3}\) to \(\mathrm{V}_{2} \mathrm{O}_{4}\) to \(\mathrm{V}_{2} \mathrm{O}_{5}\).
IV. \(\mathrm{V}_{2} \mathrm{O}_{4}\) dissolves in acids to give \(\mathrm{VO}_{4}^{3-}\) salts.
V. \(\mathrm{CrO}\) is basic but \(\mathrm{Cr}_{2} \mathrm{O}_{3}\) is amphoteric.
Choose the correct answer from the options given below:

321236 Which of the following is most acidic?

321232 The battery industry requires

321233 Assertion :
The correct order of oxidising power is :
\(\mathrm{VO}_{2}^{+} < \mathrm{Cr}_{2} \mathrm{O}_{7}^{2-} < \mathrm{MnO}_{4}^{-}\).
Reason :
The oxidation state of \(\mathrm{Mn}\) is +7 .

321234 The oxoanion in which oxidation state of the central atom is same as its group number in periodic table.

321235 Which of the following statements are INCORRECT?
I. All the transition metals except scandium form MO oxides which are ionic.
II. The highest oxidation number corresponding to the group number in transition metal oxides is attained in \(\mathrm{Sc}_{2} \mathrm{O}_{3}\) to \(\mathrm{Mn}_{2} \mathrm{O}_{7}\).
III. Basic character increases from \(\mathrm{V}_{2} \mathrm{O}_{3}\) to \(\mathrm{V}_{2} \mathrm{O}_{4}\) to \(\mathrm{V}_{2} \mathrm{O}_{5}\).
IV. \(\mathrm{V}_{2} \mathrm{O}_{4}\) dissolves in acids to give \(\mathrm{VO}_{4}^{3-}\) salts.
V. \(\mathrm{CrO}\) is basic but \(\mathrm{Cr}_{2} \mathrm{O}_{3}\) is amphoteric.
Choose the correct answer from the options given below:

321236 Which of the following is most acidic?

321232 The battery industry requires

321233 Assertion :
The correct order of oxidising power is :
\(\mathrm{VO}_{2}^{+} < \mathrm{Cr}_{2} \mathrm{O}_{7}^{2-} < \mathrm{MnO}_{4}^{-}\).
Reason :
The oxidation state of \(\mathrm{Mn}\) is +7 .

321234 The oxoanion in which oxidation state of the central atom is same as its group number in periodic table.

321235 Which of the following statements are INCORRECT?
I. All the transition metals except scandium form MO oxides which are ionic.
II. The highest oxidation number corresponding to the group number in transition metal oxides is attained in \(\mathrm{Sc}_{2} \mathrm{O}_{3}\) to \(\mathrm{Mn}_{2} \mathrm{O}_{7}\).
III. Basic character increases from \(\mathrm{V}_{2} \mathrm{O}_{3}\) to \(\mathrm{V}_{2} \mathrm{O}_{4}\) to \(\mathrm{V}_{2} \mathrm{O}_{5}\).
IV. \(\mathrm{V}_{2} \mathrm{O}_{4}\) dissolves in acids to give \(\mathrm{VO}_{4}^{3-}\) salts.
V. \(\mathrm{CrO}\) is basic but \(\mathrm{Cr}_{2} \mathrm{O}_{3}\) is amphoteric.
Choose the correct answer from the options given below:

321236 Which of the following is most acidic?