`(i)` A powdered substance `(A)` on treatment with fusion mixture gives a green coloured compound (B).
`(ii)` The solution of `(B)` in boiling water on acidification with dilute `H_(2)SO_(4)` gives a pink coloured compound (C ).
`(iii)` The aqueous solution of (A) on treatment with NaOH and `Br_(2)-` water gives a compound (D).
`(iv)` A solution of (D) in conc. `HNO_(3)` on treatment with lead peroxide at boiling temperature produced a compound `(E)` which was of the same colour at that of `(C )`.
`(v)` A solutionof ( A) on treatment with a solution of barium chloride gas a white precipitate of compound (F) which was insoluble in conc. `HNO_(3)` and conc. HCl.
Which of the following is true for compound (C ).
`(i)` A powdered substance `(A)` on treatment with fusion mixture gives a green coloured compound (B).
`(ii)` The solution of `(B)` in boiling water on acidification with dilute `H_(2)SO_(4)` gives a pink coloured compound (C ).
`(iii)` The aqueous solution of (A) on treatment with NaOH and `Br_(2)-` water gives a compound (D).
`(iv)` A solution of (D) in conc. `HNO_(3)` on treatment with lead peroxide at boiling temperature produced a compound `(E)` which was of the same colour at that of `(C )`.
`(v)` A solutionof ( A) on treatment with a solution of barium chloride gas a white precipitate of compound (F) which was insoluble in conc. `HNO_(3)` and conc. HCl.
Which of the following is true for compound (C ).
`(ii)` The solution of `(B)` in boiling water on acidification with dilute `H_(2)SO_(4)` gives a pink coloured compound (C ).
`(iii)` The aqueous solution of (A) on treatment with NaOH and `Br_(2)-` water gives a compound (D).
`(iv)` A solution of (D) in conc. `HNO_(3)` on treatment with lead peroxide at boiling temperature produced a compound `(E)` which was of the same colour at that of `(C )`.
`(v)` A solutionof ( A) on treatment with a solution of barium chloride gas a white precipitate of compound (F) which was insoluble in conc. `HNO_(3)` and conc. HCl.
Which of the following is true for compound (C ).
A
It oxidises ammonia to nitrogen dioxide in neutral medium.
B
It's pink colour is due to d-d transition
C
It can be oxidised by ozone.
D
It is obtained by alkaline fusion of pyrolusite in presence of air followed by electrolytic oxidation
Text Solution
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The correct Answer is:
D
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(a). A powdered substance (A) on treatment with fusion mixture gives a green coloured compound (B). (b). The solution of (B) The solution of (B) in boiling water on acidification with dilute H_2SO_4 gives a pink coloured compound (C).
(i)A powdered substance (A) on treatment with fusion mixture (Na_2CO_3+KNO_3) gives a green coloured compound (B). (ii)The solution of (B) in boiling water on acidification with dilute H_2SO_4 gives a pink coloured compound ( C). (iii)The aqueous solution of (A) on treatment with excess of NaOH and Bromine water gives a compound (D) (iv)A solution of (D) in conc. HNO_3 on treatment with PbO_2 at boiling temperature produced a compound (E) which was of the same colour at that of (C ). Sum of oxidation number of central atom of A,B,C,D & E is:
Knowledge Check
(i) A powdered substance (A) on treatment with fusion mixture gives a green coloured compound (B). (ii) The solution of (B) in boiling water on acidification with dilute H_(2)SO_(4) gives a pink coloured compound (C ) . (iii) The aqueous solution of (A) on treatment with NaOH and Br_(2)- water gives a compound (D). (iv) A solution of (D) in conc. HNO_(3) on treatment with lead peroxide at boiling temperature produced a compound (E) which was of the same coloure at that of (C). (v) A solution of (A) on treatment with a solution of barium chloride gave a white precipitate of compound (F) Which was insoluble in conc. HNO_(3) and conc. HCl. Which of the following is true for compound (C ).
(i) A powdered substance (A) on treatment with fusion mixture gives a green coloured compound (B). (ii) The solution of (B) in boiling water on acidification with dilute H_(2)SO_(4) gives a pink coloured compound (C ) . (iii) The aqueous solution of (A) on treatment with NaOH and Br_(2)- water gives a compound (D). (iv) A solution of (D) in conc. HNO_(3) on treatment with lead peroxide at boiling temperature produced a compound (E) which was of the same coloure at that of (C). (v) A solution of (A) on treatment with a solution of barium chloride gave a white precipitate of compound (F) Which was insoluble in conc. HNO_(3) and conc. HCl. Which of the following is true for compound (C ).
A
It oxidises ammonia to nitrogen dioxide in neutral medium.
B
It's pink colour is due to d-d transition
C
It can be oxidised by ozone.
D
It is obtained by alkaline fusion of pyrolusite in presence of air followed by electrolytic oxidation
(i) A powdered substance (A) on treatment with fusion mixture gives a green coloured compound (B). (ii) The solution of (B) in boiling water on acidification with dilute H_(2)SO_(4) gives a pink coloured compound (C ) . (iii) The aqueous solution of (A) on treatment with NaOH and Br_(2)- water gives a compound (D). (iv) A solution of (D) in conc. HNO_(3) on treatment with lead peroxide at boiling temperature produced a compound (E) which was of the same coloure at that of (C). (v) A solution of (A) on treatment with a solution of barium chloride gave a white precipitate of compound (F) Which was insoluble in conc. HNO_(3) and conc. HCl. Consider the following statement : (I) Anions of both (B) and (C ) are diamagnetic and have tetradhedral geometray. (II) Anions of both (B) and ( C) are paramagnetic and have tetrahedral geometry. (III) Anions of (B) is paramagnetic and that of (C ) is diamagnetic but both have same tetrahedral geometry. (IV) Green coloured compound (B) in a neutral of acidic medium disproportionates to give (C ) and (D). Of these select the correct one from the code given :
(i) A powdered substance (A) on treatment with fusion mixture gives a green coloured compound (B). (ii) The solution of (B) in boiling water on acidification with dilute H_(2)SO_(4) gives a pink coloured compound (C ) . (iii) The aqueous solution of (A) on treatment with NaOH and Br_(2)- water gives a compound (D). (iv) A solution of (D) in conc. HNO_(3) on treatment with lead peroxide at boiling temperature produced a compound (E) which was of the same coloure at that of (C). (v) A solution of (A) on treatment with a solution of barium chloride gave a white precipitate of compound (F) Which was insoluble in conc. HNO_(3) and conc. HCl. Consider the following statement : (I) Anions of both (B) and (C ) are diamagnetic and have tetradhedral geometray. (II) Anions of both (B) and ( C) are paramagnetic and have tetrahedral geometry. (III) Anions of (B) is paramagnetic and that of (C ) is diamagnetic but both have same tetrahedral geometry. (IV) Green coloured compound (B) in a neutral of acidic medium disproportionates to give (C ) and (D). Of these select the correct one from the code given :
A
I and III only
B
II and III only
C
II and IV only
D
III and IV only
(i) A powdered substance (A) on treatment with fusion mixture gives a green coloured compound (B). (ii) The solution of (B) in boiling water on acidification with dilute H_(2)SO_(4) gives a pink coloured compound (C ). (iii) The aqueous solution of (A) on treatment with NaOH and Br_(2)- water gives a compound (D). (iv) A solution of (D) in conc. HNO_(3) on treatment with lead peroxide at boiling temperature produced a compound (E) which was of the same colour at that of (C ) . (v) A solutionof ( A) on treatment with a solution of barium chloride gas a white precipitate of compound (F) which was insoluble in conc. HNO_(3) and conc. HCl. Consider the following statements : (I) An ions of both (B) and (C ) are diamagnetic and have tetradhedral geometry. (II) Anions of both (B) and (C ) are paramagnetic and have tetrahedral geometry. (C ) is diamagnetic but both have same tetrahedral geometry. (IV) Green coloured compound (B) in a neutral or acidic medium disproportionates to give (C ) and (D). Of these select the correct one from the codes given :
(i) A powdered substance (A) on treatment with fusion mixture gives a green coloured compound (B). (ii) The solution of (B) in boiling water on acidification with dilute H_(2)SO_(4) gives a pink coloured compound (C ). (iii) The aqueous solution of (A) on treatment with NaOH and Br_(2)- water gives a compound (D). (iv) A solution of (D) in conc. HNO_(3) on treatment with lead peroxide at boiling temperature produced a compound (E) which was of the same colour at that of (C ) . (v) A solutionof ( A) on treatment with a solution of barium chloride gas a white precipitate of compound (F) which was insoluble in conc. HNO_(3) and conc. HCl. Consider the following statements : (I) An ions of both (B) and (C ) are diamagnetic and have tetradhedral geometry. (II) Anions of both (B) and (C ) are paramagnetic and have tetrahedral geometry. (C ) is diamagnetic but both have same tetrahedral geometry. (IV) Green coloured compound (B) in a neutral or acidic medium disproportionates to give (C ) and (D). Of these select the correct one from the codes given :
A
I and III only
B
II and III only
C
II and IV only
D
III and IV only
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(i) A powdered substance (A) on treatment with fusion mixture gives a green coloured compound (B). (ii) The solution of (B) in boiling water on acidification with dilute H_(2)SO_(4) gives a pink coloured compound (C ) . (iii) The aqueous solution of (A) on treatment with NaOH and Br_(2)- water gives a compound (D). (iv) A solution of (D) in conc. HNO_(3) on treatment with lead peroxide at boiling temperature produced a compound (E) which was of the same coloure at that of (C). (v) A solution of (A) on treatment with a solution of barium chloride gave a white precipitate of compound (F) Which was insoluble in conc. HNO_(3) and conc. HCl. The oxidation state of central metal ions of (A), (B) and (C ) compounds are respectively :
(i) A powdered substance (A) on treatment with fusion mixture gives a green coloured compound (B). (ii) The solution of (B) in boiling water on acidification with dilute H_(2)SO_(4) gives a pink coloured compound (C ). (iii) The aqueous solution of (A) on treatment with NaOH and Br_(2)- water gives a compound (D). (iv) A solution of (D) in conc. HNO_(3) on treatment with lead peroxide at boiling temperature produced a compound (E) which was of the same colour at that of (C ) . (v) A solutionof ( A) on treatment with a solution of barium chloride gas a white precipitate of compound (F) which was insoluble in conc. HNO_(3) and conc. HCl. The oxidation state of central metal ions of (A) , (B) and (C) compounds are respectively.
(a) A powdered substance (A) on treatment with fusion mixture gives a green coloured compound (B). (b) The solution of (B) on acidification with hot dilute H_(2)SO_(4) gives a pink coloured compound (C). (c) The aqueous solution of (A) on treatement with excess of NaOH and bromine water gives a compound (D). (d) A solution of (D) in conc. HNO_(3) with lead dioxide at boiling temperature produces a compound (E), which has of the same colour as that of (C). (e) A solution of (A) in dilute HCI on treatment with a solution of barium chloride gave a white precipitate of compound (F), which was insoluble in conc. HNO_(3) and conc. HCI . Compound (C) and (E) are coloured due to:
(a) A powdered substance (A) on treatment with fusion mixture gives a green coloured compound (B). (b) The solution of (B) on acidification with hot dilute H_(2)SO_(4) gives a pink coloured compound (C). (c) The aqueous solution of (A) on treatement with excess of NaOH and bromine water gives a compound (D). (d) A solution of (D) in conc. HNO_(3) with lead dioxide at boiling temperature produces a compound (E), which has of the same colour as that of (C). (e) A solution of (A) in dilute HCI on treatment with a solution of barium chloride gave a white precipitate of compound (F), which was insoluble in conc. HNO_(3) and conc. HCI . What is (D)?
(a) A powdered substance (A) on treatment with fusion mixture gives a green coloured compound (B). (b) The solution of (B) on acidification with hot dilute H_(2)SO_(4) gives a pink coloured compound (C). (c) The aqueous solution of (A) on treatement with excess of NaOH and bromine water gives a compound (D). (d) A solution of (D) in conc. HNO_(3) with lead dioxide at boiling temperature produces a compound (E), which has of the same colour as that of (C). (e) A solution of (A) in dilute HCI on treatment with a solution of barium chloride gave a white precipitate of compound (F), which was insoluble in conc. HNO_(3) and conc. HCI . What is (A)?