Page 1 :
EEO, , ee et ae TE] ], Lots Ts 9939607302, CO Te TE ey, , , , Medical, XI and XII, , , , Topic : Equivalent weight, Stoic hiometry and E udiometry, , , , l. Whatis the vc sume of, , air required for the complete combustion of 20.0 L of methane?, ; (a) 8401 (b) 2401 (c) 340T (d) 192 1, 2. Ifthe equivalent weight of a trivalent metal is 32 7, the molecular weighpf its chloride!, , , , , , , , , , , Is(a) 68.2 {b) 106.5 {c) 204.6, 3. Oneg of hydrogen is found to combine with 80 2 of bromine ond, = 2) cimbines with 4 £ of bromine. The equivalent weight ofé i, (a) 10 (b) 20 {c) 40, 4. An ion is reduced to the clement when it absorbs, equivalents of the ion is , alency, , . The number of, , 7 (a) 0.1 (b) 0.01 (ch ({d) 0.0001, 3. 1,5 g of oxygen is produced by he: iting KCIO #1 “Lis produced in the reac, , , , , tion ? ,, (4) 4.15107 mol, , (©) 1.78%107mol, of chlorine. The equivalent weight of the!, , , , , , metal is - %, {a) 19.5 (b) 35.5 (c) 39.0 (d) 78.0, 7. A metallic oxide cont Yo ae metal. The equivalent weight of the metal is - ee, (a) 12 (e) 40 (a) 48 si, 8. The weight of wale! Bich combine with one another are in the ratio of their, (a) atomic weight (b) molecular weight, , (c) gram mole (d) equivalnet weight, , 9. Equivalnetweight of an acid whose basicity is 3, is , Mol. Wt. Mol. Wt. Mol. Wt,, 3 im ay Oran, 10, 0.12 g offapiptal by reacting with dil, HCl gave 112 ml of H, gas at STP calculate the, equivalentWeight of the metal ?, , (a) 24 (b) 10 (c) 18 (d) 12, LL. 8.6g of an oxide of a metal reacts completely with hydrogen gas to yield 1.8 g of water., The equivalent weight of the metal is ?, , , , , , , (a) 23 (b) 27 (c) 32.5 (d) 35, 12. Choose the correct values of the equivalent volumes of oxygen and hydrogen in stan, dard conditions, (a) 22.4 L each ; (b) 11.2 L,5.6L, , (c) 11.2 Leach as (d) S.6 L, 11.2, , , , , , wrm—enrme 113. Equivalent mass of a metal is 12 g mie’. Hence, equivalent mass of its oxide is, Venue : Laxmi Cold Stora, NO ee
Page 2 :
(a) 24 molt (b) 28 g¢ mol, (c) 20 g mol (d) 34 8 mol!, 14. What Weight of oxygen will react with 40 g of Ca?, , (a) 20 gm (b) 32 gm (c) 48 om, , ) (d) 162m, 15. What amount of CaO will be produced by ty, , um of calcium?, (a) 1.4 gm (b) 2.8 pm (c) 40 em (d) 20 gm, 16. Inwhich of the amount of carbon dioxide tha, , t could be produced when 2 mx le of carbon], are brunt in 16 g of dioxygen, , (a) 44 gm (b) 22 em {c) 20 gm (a) 11 gm, 17. The total no. of m eq. ind gin NaOH is a, (a) 50 (b) LO (c) 100 (dy 0 >, , , , , M, , 18. On 1.05 gm McCoo., , heating produced 0.5 gm MO. The equivaleny@ei, , , , GO) willl atl, ail, , , , , , , be, (a) 52 (b) 42 (c) 100, 19, One equivalent of Na,CO, equal to , (a) 106g (b) 212g, , (c) 532 {d) 2N., , 20. Atomic weight of an metal is 60 is forms a oxides, of metal will be, (a) 30 (b) 15 (d)2, 21. The equivalent weight of iron in Fe,O yy, (a) 18.6 (b) 26.66 (d) 112, 22. 0.05 moles of NaHCO, will react it hyny equivalent of Mg(OH),, | (a) 0.2 Eq. (b) 0.05 Eq. “3 fC) 0.02 Eq, (d) 0.01 Eq., , 23. 3 g of an oxide ofa metal is converted Samp ctely to S g chloride, Equivalent weight of, , , , , | (0) 3525 Q {c) 12 (a) 20, 24. Which of the follgg ents are not correct:, | (a) The equivalen' ba s(PO,), is] 00. 1, (b) The equivalent weig a,PO, is 54.66, , (c) The equivalent weiglfof HPO, is 32.67, (d) Th ivale: ight of Ca(OH), is 36.5, , , , , , , | 25. Wh f air needed in combustion of S LCH «Air contains 21% oxygen}, by, a) 45 (b) 47,61 L (c) LOL {d) SL, 26. Calculate te amount of CO, obtained due to combustion of 30 g of carbon., “@ 100g (b) 50g (c) Og (d) 150g, , 27. Chlorine is prepared in laboratory by treating mangnese dioxide (Mn0,) with aqueous}, hydrochloric acid according to equation., 4HCl(aq)+Mn0, (s) -> 2H,0(1)}+MnCl, (aq)+Cl, (2), ith 5.0g of mangense dioxide ?, How many grams of HCI react with 5.0g 0, (a) 16. 80g (b) 4.20 g (c) 10.8 g (d) 8.40 g, , , , EEE, , , , rage Campous, Opp. Musalki ‘gpur Hatt, Patna - 6, , b : 9939607302, 957003 ear