Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives elemental sulphur. Reason: `SO_(2)` is a reducing agent.

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Answer :

Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives ... is False. D. If both Assertion & Reason are False.

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Description : How many compound(s) or iron (s) can be oxidised by `H_(2)O_(2)` among the following (i) `AsO_(3)^(2)` (ii) `SO_(4)^(2-)` (iii) `Fe_(2) (SO_(4))_(3)`

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Description : How many compound(s) or iron (s) can be oxidised by `H_(2)O_(2)` among the following (i) `AsO_(3)^(2)` (ii) `SO_(4)^(2-)` (iii) `Fe_(2) (SO_(4))_(3)`

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Description : Cold dil. `H_(2)SO_(4)` will completely dissolve : (i) Pb (ii) `Fe_(3)O_(4)` (iii) Fe (iv) Cu (v) Mg (vi) MgO (vii) `CoCO_(3)` (viii) `CuCO_(2)` (ix)

Last Answer : Cold dil. `H_(2)SO_(4)` will completely dissolve : (i) Pb (ii) `Fe_(3)O_(4)` (iii) Fe (iv) Cu (v) ... ) `CoCO_(3)` (viii) `CuCO_(2)` (ix) `SrCO_(3)`

Description : Cold dil. `H_(2)SO_(4)` will completely dissolve : (i) Pb (ii) `Fe_(3)O_(4)` (iii) Fe (iv) Cu (v) Mg (vi) MgO (vii) `CoCO_(3)` (viii) `CuCO_(2)` (ix)

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Description : How many of the following species can act as both bleaching agent and reducing agent `O_(3),H_(2)O_(2),SO_(2),HCl,SO_(3)`

Last Answer : How many of the following species can act as both bleaching agent and reducing agent `O_(3),H_(2)O_(2),SO_(2),HCl,SO_(3)`

Description : STATEMENT-1 : `H_(2)SO_(4)` can not act as reducing agent. STATEMENT-2 : Sulphur can not increase its oxidation number beyond `+6`.

Last Answer : STATEMENT-1 : `H_(2)SO_(4)` can not act as reducing agent. STATEMENT-2 : Sulphur can not increase ... False. D. If both Assertion & Reason are False.

Description : Consider the following statements in the extraction of iron from haematite: (I) `CO`is the main reducing agent (II) `Fe_(2)O_(3)`is used to oxidise th

Last Answer : Consider the following statements in the extraction of iron from haematite: (I) `CO`is the main reducing agent (II) ... I, II and III D. I, II and IV

Description : Assertion (A): Diethyl ether reacts with hot Conc `H_(2)SO_(4)` and gives ethyl hydrogen sulphate Reason (R): The reaction involves cleavage of C-O bo

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Description : In the following reaction, `SO_(4)` acts as a reducing agent: `SO_(2)+Cl_(2)+2H_(2)O to H_(2)SO_(4)+3HCl` Find the equivalent weight of `SO_(2)`.

Last Answer : In the following reaction, `SO_(4)` acts as a reducing agent: `SO_(2)+Cl_(2)+2H_(2)O to H_(2)SO_(4)+3HCl` Find the equivalent weight of `SO_(2)`.

Description : Assertion: `SO_(3)` acts as an oxidising agent as well as a reducing agent Reason: `SO_(2)` acts as an oxidising as well as a reducing agent

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Description : In which of the following reaction `H_(2)O_(2)` acts as reducing agent :-

Last Answer : In which of the following reaction `H_(2)O_(2)` acts as reducing agent :- A. `2FeCl_(2)+2HCl+H_(2)O_(2)rarr ... 3)+H_(2)O_(2)rarr H_(2)SO_(4)+H_(2)O`

Description : Assertion :- Bromide ion is serving as a reducing agent in the reaction `2MnO_(4)^(-)(aq.)+Br^(-)(aq.)+H_(2)Orarr2MnO_(2)(aq.)+BrO_(3)^(-)(aq.)+2OH^(-

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Description : Asseration: Number of `S-S` bonds in `H_(2)S_(n)O_(6)` is (n-1). Reason: `H_(2)S_(n)O_(6)` shows `HO_(3)S-underset((n-2))(S)-SO_(3)H`

Last Answer : Asseration: Number of `S-S` bonds in `H_(2)S_(n)O_(6)` is (n-1). Reason: `H_(2)S_(n)O_(6)` shows `HO_(3)S-underset((n-2))(S)-SO_(3)H`

Description : The eq. wt. of `Na_(2)S_(2)O_(3)` as reductant in the reaction, `Na_(2)S_(2)O_(3)+H_(2)O+Cl_(2)rarrNa_(2)SO_(4)+2HCl+S` is :

Last Answer : The eq. wt. of `Na_(2)S_(2)O_(3)` as reductant in the reaction, `Na_(2)S_(2)O_(3)+H_(2)O+Cl_(2)rarrNa_(2) ... wt.)/2 C. (Mol. wt.)/6 D. (Mol. wt.)/8

Description : The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is (A) Alumina (B) Silica gel (C) Platinum (D) Nickel

Last Answer : (A) Alumina

Description : Assertion : A white turbidity is obtained by passing `H_(2)S` through aq solution of `SO_(2)` Reason: Aq solution of `SO_(2)` and `H_(2)S` undergoes r

Last Answer : Assertion : A white turbidity is obtained by passing `H_(2)S` through aq solution of `SO_(2 ... Statement-I is not correct and Statement-II is correct

Description : Assertion: Conc `H_(2)SO_(4)` cannot be used for drying up `H_(2)S` Reason : Conc `H_(2)SO_(4)` oxidises `H_(2)S` to S

Last Answer : Assertion: Conc `H_(2)SO_(4)` cannot be used for drying up `H_(2)S` Reason : Conc `H_(2 ... D. Statement-I is not correct and Statement-II is correct

Description : Assertion :- A sol of `As_(2)S_(3)` prepared by the action of `H_(2)S` on `As_(2)O_(3)` is negatively charge. Reason :- Due to adsorption of `S^(-2)`

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Description : Match the following: Column I(reaction) (a) `H_(2)O_(2)+underset("2moles")(ClSO_(3)H) rarr` (b)`SO_(3)+HClrarr` c) `SO_(3)+HBr rarr` (d) `underset(("c

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Description : Assertion (A): Dehydration of alcohols can be carried out with Conc `H_(2)SO_(4)` but not with conc HCl Reason (R): `H_(2)SO_(4)` is dibasic while HCl

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Description : Thiosulphate ion `(S_(2)O_(3)^(2-))` on acidification changes to `SO_(2)` along the precipitation of sulpur, `.^(35)S^(32) SO_(3)^(2-) + 2H^(+) to H_(

Last Answer : Thiosulphate ion `(S_(2)O_(3)^(2-))` on acidification changes to `SO_(2)` along the precipitation of sulpur, ` ... ` is in both D. `S^(35)` is in none

Description : Which of the following compounds can be used for drying of `H_(2)S` gas? I. Conc `H_(2)SO_(4)` II. `P_(4)O_(10)` III. Anhydrous `CaC1_(2)` IV. Anhydro

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Description : I. `H_(2)S` reduces acidified `KMnO_(4)` to `MnSO_(4)` II. `H_(2)S` reduces acidified `K_(2)Cr_(2)O_(7)` to red colour `Cr_(2)(SO_(4))_(3)` III. `H_(2

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Description : Assertion :- In the reaction `Zn(s)+cu^(+2)(aq)rarrZn^(+2)(aq)+Cu(s)` `Cu^(+2)` ions act as oxidising agent and Zn atoms act as a reducing agent. Reas

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Description : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller than sulphur.

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Description : In the reaction `VO+Fe_(2)O_(3) rarr FeO+V_(2)O_(5)`, the eq.wt. of `V_(2)O_(5)` is equal to its

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Description : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_(2)`. Reason (R ) Oxygen forms `ppi-ppi` multiple bond due

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Description : Which one is the oxidising agent in the reaction given below `2CrO_(4)^(2-)+2H^(+)rarrCr_(2)O_(7)^(-2)+H_(2)O`

Last Answer : Which one is the oxidising agent in the reaction given below `2CrO_(4)^(2-)+2H^(+)rarrCr_(2)O_(7)^(-2)+H_(2)O` ... 2)O_(7)^(-2)` C. `Cr^(++)` D. None

Description : Assertion :- `Cr^(+2)` is a reducing agent and `Mn^(+3)` is oxidising agent. Reason :- `Mn^(+3)` has `d^(5)` configuration.

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Description : Assertion :- A reducing agent is a substance which accepts electron. Reason :- A substanc which helps in oxidaton is known as reducing agent.

Last Answer : Assertion :- A reducing agent is a substance which accepts electron. Reason :- A substanc which helps ... . D. If both Assertion & Reason are False.

Description : Assertion :- Nitrous acid `(HNO_(2))` may act as an oxidising agent as well as a reducing agent. Reason :- The oxidation number of Nitrogen remains sa

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Description : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in `SF_(6)` prevent the attack of `H_(2)O` on sulphur atom of `SF_

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Description : When `H_(2)O_(2)` is reacted with `K_(2)Cr_(2)O_(7)" in dilute "H_(2)SO_(4)` and then ether is added. The ether layer gets -colour

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Description : The oxidation state of sulhur in `H_(2)SO_(5)` and chromium in `K_(2)Cr_(2)O_(7)` respectively is :-

Last Answer : The oxidation state of sulhur in `H_(2)SO_(5)` and chromium in `K_(2)Cr_(2)O_(7)` respectively is :- A. 8, 6 B. 4, 6 C. 8, 8 D. 6, 6

Description : Among the following, the number of compounds that can react with `PCl_(5)` to give `POCl_(3)` is `O_(2)`,`CO_(2)`,`SO_(2)`,`H_(2)O`,`H_(2)SO_(4)`,`P_(

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Description : `N_(2)O_(4), (HPO_(2))_(2), H_(2)CO_(3), SO_(2), SO_(3), P_(4)O_(10) H_(2)SO_(4), N_(2)O_(3), HNO_(3), H_(3)PO_(3)`. (a) Among the above compounds, co

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Description : Among the following, the number of compounds that can react with `PCl_(5)` to give `POCl_(3)` is `O_(2)`,`CO_(2)`,`SO_(2)`,`H_(2)O`,`H_(2)SO_(4)`,`P_(

Last Answer : Among the following, the number of compounds that can react with `PCl_(5)` to give `POCl_(3)` is `O_(2)`,`CO_(2) ... 2)O`,`H_(2)SO_(4)`,`P_(4)O_(10)`.

Description : `N_(2)O_(4), (HPO_(2))_(2), H_(2)CO_(3), SO_(2), SO_(3), P_(4)O_(10) H_(2)SO_(4), N_(2)O_(3), HNO_(3), H_(3)PO_(3)`. (a) Among the above compounds, co

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Description : `[X]+H_(2)SO_(4) rarr [Y]` a colourless gas with irritating smell `[Y] + K_(2)Cr_(2)O_(7) + H_(2)SO_(4) rarr` green solution `[X]` and `[Y]` are

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Description : When a mixture of solid NaCl, solid `K_(2)Cr_(2)O_(7)` is heated with conc. `H_(2)SO_(4)` orange red vapours are obtained. These are of the compound

Last Answer : When a mixture of solid NaCl, solid `K_(2)Cr_(2)O_(7)` is heated with conc. `H_(2 ... B. chromyl chloride C. chromic chloride D. chromic sulphate

Description : Consider the following statements, I. S-S bond is present in `H_(2)S_(2)O_(6).` II. In peroxodisulphuric acid `(H_(2)S_(2)O_(8))`, sulphur is in `+6`

Last Answer : Consider the following statements, I. S-S bond is present in `H_(2)S_(2)O_(6).` II. In ... in `+6` oxidation state. The correct set of statement is

Description : The correct order of sulphur - oxygen bond energy in `S_(2)O_(3)^(2-), SO_(4)^(2-), SO_(3) and S_(2)O_(6)^(2-)` is

Last Answer : The correct order of sulphur - oxygen bond energy in `S_(2)O_(3)^(2-), SO_(4)^(2-), SO_(3) and S_(2)O_(6)^( ... (4)^(2-) lt SO_(3) lt S_(2)O_(3)^(2-)`

Description : The correct order of sulphur - oxygen bond energy in `S_(2)O_(3)^(2-), SO_(4)^(2-), SO_(3) and S_(2)O_(6)^(2-)` is

Last Answer : The correct order of sulphur - oxygen bond energy in `S_(2)O_(3)^(2-), SO_(4)^(2-), SO_(3) and S_(2)O_(6)^( ... (4)^(2-) lt SO_(3) lt S_(2)O_(3)^(2-)`

Description : The oxidation states of sulphur in the anions `SO_(3)^(2-), S_(2)O_(4)^(2-)`, and `S_(2)O_(6)^(2-)` follow the order

Last Answer : The oxidation states of sulphur in the anions `SO_(3)^(2-), S_(2)O_(4)^(2-)`, and `S_(2)O_(6)^(2-)` follow ... (6)^(2-)ltS_(2)O_(4)^(2-)ltSO_(3)^(2-)`

Description : `SO_(2)` is a strong reducing agent however it also act as an oxidising agent Which of the following reactions shows its oxidising nature ?

Last Answer : `SO_(2)` is a strong reducing agent however it also act as an oxidising agent Which ... colloidal sulphur D. Turning acidified dichromate paper green

Description : `SO_(2)` is more powerful reducing agent in:

Last Answer : `SO_(2)` is more powerful reducing agent in: A. Acid medium B. Alkaline medium C. Neutral medium D. None of these

Description : What is the hybridisation of sulphur in `H_(2)SO_(4)` ?

Last Answer : What is the hybridisation of sulphur in `H_(2)SO_(4)` ? A. sp B. `sp^(2)` C. `sp^(3)` D. `sp^(3)d^(2)`

Description : Among the following the number of compounds that can act as dehydrating agent are …… `Conc. H_(2)SO_(4),"Anhyd". CaCl_(2),Conc. HNO_(3), CaO, CuSO_(4)

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Description : Hot conc. `H_(2)SO_(4)` acts as moderately strong oxidising agent. It oxidises both metals and non-metals. Which of the following elements is oxidised

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Description : Assertion :- `H_(2)S+Cl_(2)rarr2HCl+S` In the above reaction, Cl has been oxidised to `Cl^(-)` while `S^(-2)` has been reduced to S Reason :- In a rea

Last Answer : Assertion :- `H_(2)S+Cl_(2)rarr2HCl+S` In the above reaction, Cl has been oxidised to `Cl^(-)` ... is False. D. If both Assertion & Reason are False.