Related InterviewSolutions

• Strongest reducing agent of the following isA. `H_(2)O`B. `H_(2)S`C. `H_(2)Se`D. `H_(2)Te`
• Which of the following order represents correctly according to the property given?A. `H_(2)O ltH_(2)S ltH_(2)Se ltH_(2)Te` order of acidic strengthB. `H_(2)O gt H_(2)S gt H_(2)Se gt H_(2)Te` : polarity of the moleculeC. `H_(2)O gt H_(2)S gt H_(2)Te` : reducing natureD. `H_(2)O gt H_(2)S gt H_(2)Se gt H_(2)Te` : thermal stability
• Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate paper black. In the first reaction X is oxidised and Y is reduced. Y on further oxidation with `O_(3)` gives a compound W X and Y are:A. `SO_(2) and SO_(3)`B. `H_(2)S and SO_(2)`C. `CO_(2) and SO_(2)`D. `SO_(2) and O_(3)`
• Which of the following turns lead acetate paper black?A. `SO_(2)`B. `SO_(3)`C. `H_(2)S`D. `H_(2)SO_(4)`
• Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate paper black. In the first reaction X is oxidised and Y is reduced. Y on further oxidation with `O_(3)` gives a compound W In which of the following reactions also the above turbidity (Z) is seenA. `K_(2)Cr_(2)O_(7)+Na_(2)SO_(3) overset"acidic medium"rarr`B. `Na_(2)S_(2)O_(3)+Cl_(2)+H_(2)Orarr`C. `SCl_(4)+H_(2)Orarr`D. `SO_(2)+H_(2)O_(2)rarr`
• `SO_(2)` is a strong reducing agent however it also act as an oxidising agent Which of the following reactions shows its oxidising nature ?A. Bleaching flower petalsB. Decolourising acidified `KMnO_(4)` solutionC. Reaction with `H_(2)S` to give colloidal sulphurD. Turning acidified dichromate paper green
• 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)`
• When an inorganic compound reacts with `SO_2` in aqueous medium produces `(A). (A)` on reaction with `Na_2 CO_3` gives the compound `(B)` which with sulphur gives a substance `(c)` used in photography. The compound `(c)` is.A. `Na_(2)S_(2)O_(3)`B. `Na_(2)SO_(4)`C. `Na_(2)S`D. `Na_(2)SO_(3)`
• Asserarion:Bleaching action action of `SO_(2)` is temporary and by reduction. Reason: The colour of material is regained due to oxidation by air.A. Statement-I and Statement-II are correct and Statement-II is correct explanation of Statement-IB. Statement-I and Statement-II are correct and Statement-II is not correct explanation of Statement-IC. Statement-I is correct and Statement-II is not correctD. Statement-I is not correct and Statement-II is correct
• `SO_(2)` gas used as a bleaching agent. Its bleaching action is :A. temporary and due to its oxidising natureB. temporary and due to its reducing natureC. permanent and due to its oxidising natureD. permenent and due to its reducing nature