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Consider the following statements and arrange in the order of true/false as given in the codes. S_1:Ammonia chloride on heating with an aqueous solution of K_2Cr_2O_7 and concentrated H_2SO_4 produces deep red vapours. S_2:Deep red solution of ferric acetate on boiling with water turns to a brownish red solution. S_3:NaNO_2 solution acidified with acetic acid produces blue colour with a starch paste contaminated , with iodide ion. |
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Answer» T T F `CrO_2Cl_2 + 2H_2O to H_2CrO_4 + 2HCl` `S_2:(CH_3COO)_3Fe+H_2OtoFe(OH)_2(CH_3COO)darr`(brownish red ) +`2CH_3COOH` `S_3:NO_2^(-)+3I^(-)+4CH_3COOH to I_3^(-)+2NOuarr +4CH_3COO^(-)+2H_2O` `I_2`+starch `to` WHITE starch paste turns blue . |
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