0.3780 g of an organic chloro compound gave 0.5740 g of silver chloride in carius estimation. Calcul — NEET Chemistry Past Papers Chemistry Question
Question
0.3780 g of an organic chloro compound gave 0.5740 g of silver chloride in carius estimation. Calculate the % of chlorine present in the compound. (A) 37.57% (B) 43.12% (C) 57% (D) 85% (1) 37.57% (2) 43.12% (3) 57% (4) 85% Select the pair in which both the species have see saw shape - (1) XeO F , SiF (2) XeO F , (3) TeCl , (4) BrO F, XeOF 2 2 4 2 2 IO2F − 2 4 ICl− 4 3 2 (1) XeO F , SiF (2) XeO F , (3) TeCl , (4) BrO F, XeOF 2 2 4 2 2 IO2F − 2 4 ICl− 4 3 2 Correct order of bond angle is - (1) (2) (3) (4) SO−2 4 > SO2 > SO3 SO3 > SO−2 4 > SO2 SO3 > SO2 > SO−2 4 SO2 > SO3 > SO−2 4 (1) (2) (3) (4) SO−2 4 > SO2 > SO3 SO3 > SO−2 4 > SO2 SO3 > SO2 > SO−2 4 SO2 > SO3 > SO−2 4 Arrange the following species in increasing order of ionic radius. N , O , F , Na , Mg & Al (1) N > O > F < Na < Mg < Al (2) N = O = F = Na = Mg = Al (3) Al < Mg < Na < F < O < N (4) O < F < Na < Mg < Al < N –3 –2 – + +2 +3 –3 –2 – + +2 +3 –3 –2 – + +2 +3 +3 +2 + – –2 –3 –2 – + +2 +3 –3 N , O , F , Na , Mg & Al (1) N > O > F < Na < Mg < Al (2) N = O = F = Na = Mg = Al (3) Al < Mg < Na < F < O < N (4) O < F < Na < Mg < Al < N –3 –2 – + +2 +3 –3 –2 – + +2 +3 –3 –2 – + +2 +3 +3 +2 + – –2 –3 –2 – + +2 +3 –3 Which elements in 3d-series shows highest & lowest enthalpy of atomization respectively. (1) V, Zn (2) Cr, Zn (3) Cr, Mn (4) Mn, Sc (1) V, Zn (2) Cr, Zn (3) Cr, Mn (4) Mn, Sc When iodine is dissolved in aqueous potassium iodide, KI is formed. The shape of anionic part is : (1) Linear (2) Angular (3) Triangular (4) See-Saw 3 A 0.18% w/v aqueous solution of a weak monoprotic acid (molar mass = 180 g mol ) at 300 K has observed osmotic pressure of 0.369 atm. What will be its van't Hoff factor (i). (1) 1.2 (2) 1.5 (3) 1 (4) 0.5 –1 180 g mol (1) 1.2 (2) 1.5 (3) 1 (4) 0.5 –1 1001CMD303029230166 FINAL SHOT - MOCK TEST-3