Related InterviewSolutions

• Depression of freezing point of which of the following solutions does represent the cryoscopic constant of water ?A. 6% by mass of urea in aqueous solutionB. 100 g of aqueous solution containing 18 g of glucoseC. 59 g of aqueous solution containing 9 of glucoseD. 1 M KCI solution in water
• The two isomers X and Y with the formula `Cr(H_(2)O)_(5)CIBr_(2)` were taken for experiment on depression in freezing point. It was found that one mole of X gave depression corresponding to 2 moles of particles and one mole of Y gave depression due to 3 moles of particels . The structural formulae of x and Y respectively areA. ` [Cr(H_(2)O)_(5)CI]Br_(2) , [Cr(H_(2)O)_(4)Br_(2)] CI.H_(2)O`B. `[Cr(H_(2)O)_(5)CI]Br_(2),[Cr(H_(2)O)_(3)CIBr_(2)].2H_(2)O`C. `[Cr(H_(2)O)_(5)Br]BrCI , [Cr(H_(2)O)_(4)CIBr] Br.H_(2)O`D. `[Cr(H_(2)O)_(4)Br_(2)]CI.H_(2)O , [Cr(H_(2)O)_(5)CI]Br_(2)`
• The cell in which the following reaction occurs : `2Fe_(aq)^(3+) + 2I_(aq)^(-) to 2Fe_(aq)^(2+) + I_(2(s)) "has" E_("cell")^(o) = 0.236 V "at" 298 K` The equilibrium constnat of the cell reaction isA. `6.69xx 10^(-7)`B. `9.69 xx 10^(-7)`C. `9.69 xx 10^(7)`D. `6.69 xx 10^(7)`
• Match the column I with column II and mark the appropriate choice A. `A to I, B to ii, C to iii, D to iv`B. `A to iii, B to iv, C to ii, D to i`C. `A to iv, B to ii, C to iii, D to i`D. `A to ii, B to iii, C to iv, D to i`
• Schottky defect is likely to be found inA. AgIB. NaCIC. ZnSD. ZnO
• The pyrimidine bases present in DNA areA. cytosine and adenineB. cytosine and guanineC. cytosine and thymineD. cytosine and uracil
• When acyl chloride is heated with Na Salt of a carboxylic acid the product isA. an aldehydeB. an alkeneC. an anhydrideD. an ester.
• Which one of the following reactions of xenon compounds is not feasible ?A. `XeO_(3) + 6HF to XeF_(6) + 3H_(2)O`B. `3XeF_(4) + 6H_(2)O to 2Xe + XeO_(3) + 12HF + 1.5O_(2)`C. `2XeF_(2) + 2H_(2)O to 2Xe + 4HF + O_(2)`D. `XeF_(6) + RbF to Rb [XeF_(7)]`
• Compressibility factor for `H_(2)` behaving as real gas isA. `1`B. `(1-(a)/(RTV))`C. `(1+(Pb)/(RT))`D. `(RTV)/((1-a))`
• For the reaction, `CO_((g))+Cl_(2(g))hArrCoCl_(2(g))`, the value of `K_(p)//K_(c)` is equal toA. 1B. RTC. `sqrt(RT)`D. `(1)/(RT)`