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Ques.) 2 moles of PCl5 are taken in a closed vessel. At equilibrium the vessel contains 2.5 moles. The degree of dissociation of PCl5 is 1. 0.25 2. 0.5 3. 0.4 4. 0.2 ...
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When C2H5OH and CH3COOH are mixed in equivalent, equilibrium is reached when 2/3 of acid and alcohol are used. How much easter will be present when 2 moles of acid were to react with 2 moles of alcohol? 1. 1.33 mole 2. 1 mole ...
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Ques.) 2 moles of PCl5 are taken in a closed vessel. At equilibrium the vessel contains 2.5 moles. The degree of dissociation of PCl5 is 1. 0.25 2. 0.5 3. 0.4 4. 0.2 ...
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1. Which of the following statements is false ? (a) Saline hydrides are stoichiometric compounds. (b) Ionic hydrides are crystalline,non-metallic and non-conducting in solid state. (c) The melts of ionic hydride are non-condu ...
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Q1When OH groups strongly attached with SiO2 derivatives a)Acidic strength inc b)acidic strength remains same c)basic strength inc d)cataytic activity inc Q2Due to availabltiy of lewis acid and bronsted in sites of natural ma ...
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MnO2 + Pb3O4 + HNO3 ---> HMnO4 + Pb(NO3)2 + H2O Balance this equation I an having a doubt due to fractional charge on Pb on LHS ...
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hopeless chem questions Q1. Choose the incorrect statement (a) In [Fe(CN)6]4- , Fe-C bond length is smaller than Fe-C bond length in [Fe(CN)6]3- (b) EAN of Fe in [Fe(CN)6]4- is 36 (c) [Fe(CN)6]3- is more stable than [Fe(CN)6] ...
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this thread is intended just 2 check our relative performance so post u're scores here ...
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Let f(x) =[ (2x3 - 9x2 + 12x + 3) (x- a) ] / (x-a) If range of f(x) is a proper subset of real no.s , then the most exhaustive set in which a lies is (A) (-∞,7) U (8,∞) (B) (-∞,7] U [8,∞) (C) (-∞,1/2] U [5/2,∞) (D ...
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Let f(x) =[ (2x3 - 9x2 + 12x + 3) (x- a) ] / (x-a) If range of f(x) is a proper subset of real no.s , then the most exhaustive set in which a lies is (A) (-∞,7) U (8,∞) (B) (-∞,7] U [8,∞) (C) (-∞,1/2] U [5/2,∞) (D ...
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Let f(x) =[ (2x3 - 9x2 + 12x + 3) (x- a) ] / (x-a) If range of f(x) is a proper subset of real no.s , then the most exhaustive set in which a lies is (A) (-∞,7) U (8,∞) (B) (-∞,7] U [8,∞) (C) (-∞,1/2] U [5/2,∞) (D ...
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Let f(x) =[ (2x3 - 9x2 + 12x + 3) (x- a) ] / (x-a) If range of f(x) is a proper subset of real no.s , then the most exhaustive set in which a lies is (A) (-∞,7) U (8,∞) (B) (-∞,7] U [8,∞) (C) (-∞,1/2] U [5/2,∞) (D ...
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Let f(x) =[ (2x3 - 9x2 + 12x + 3) (x- a) ] / (x-a) If range of f(x) is a proper subset of real no.s , then the most exhaustive set in which a lies is (A) (-∞,7) U (8,∞) (B) (-∞,7] U [8,∞) (C) (-∞,1/2] U [5/2,∞) (D ...
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Let f(x) =[ (2x3 - 9x2 + 12x + 3) (x- a) ] / (x-a) If range of f(x) is a proper subset of real no.s , then the most exhaustive set in which a lies is (A) (-∞,7) U (8,∞) (B) (-∞,7] U [8,∞) (C) (-∞,1/2] U [5/2,∞) (D ...
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Let f(x) =[ (2x3 - 9x2 + 12x + 3) (x- a) ] / (x-a) If range of f(x) is a proper subset of real no.s , then the most exhaustive set in which a lies is (A) (-∞,7) U (8,∞) (B) (-∞,7] U [8,∞) (C) (-∞,1/2] U [5/2,∞) (D ...
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Let f(x) =[ (2x3 - 9x2 + 12x + 3) (x- a) ] / (x-a) If range of f(x) is a proper subset of real no.s , then the most exhaustive set in which a lies is (A) (-∞,7) U (8,∞) (B) (-∞,7] U [8,∞) (C) (-∞,1/2] U [5/2,∞) (D ...
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Let f(x) =[ (2x3 - 9x2 + 12x + 3) (x- a) ] / (x-a) If range of f(x) is a proper subset of real no.s , then the most exhaustive set in which a lies is (A) (-∞,7) U (8,∞) (B) (-∞,7] U [8,∞) (C) (-∞,1/2] U [5/2,∞) (D ...
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Let f(x) =[ (2x3 - 9x2 + 12x + 3) (x- a) ] / (x-a) If range of f(x) is a proper subset of real no.s , then the most exhaustive set in which a lies is (A) (-∞,7) U (8,∞) (B) (-∞,7] U [8,∞) (C) (-∞,1/2] U [5/2,∞) (D ...
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Let f(x) =[ (2x3 - 9x2 + 12x + 3) (x- a) ] / (x-a) If range of f(x) is a proper subset of real no.s , then the most exhaustive set in which a lies is (A) (-∞,7) U (8,∞) (B) (-∞,7] U [8,∞) (C) (-∞,1/2] U [5/2,∞) (D ...
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Let f(x) =[ (2x3 - 9x2 + 12x + 3) (x- a) ] / (x-a) If range of f(x) is a proper subset of real no.s , then the most exhaustive set in which a lies is (A) (-∞,7) U (8,∞) (B) (-∞,7] U [8,∞) (C) (-∞,1/2] U [5/2,∞) (D ...
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single choice correct Q1 WHich pair can form alloy ? a)Zn,Pb b)Fe,Hg c)Fe,C d)C,Pt Q2 consider [Ag(NH3)2]+,[Ag(CN)2]-,[Ag(S2O3)2]3- Which of the following are true abt these ?? a)Ag+ acts as lewis base b)hybd of Ag+ is sp2 c) ...
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MULTIPLE ANSWER TYPE Two isotonic solutions have (A) the same weight concentrations (B) the same vapour pressure (C) Osmotic pressure (D) All ...
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(A)Molality of a solution does not depend on Temparature (R)Molarity of a solution depends on temperature Options r the usual Assertion Reasoning ones ...
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If the atom Fm257100 follows the Bohr Model & the radius of Fm257100 is n times the Bohr radius , then find n : (A) 100 (B) 200 (C) 4 (D) 1/4 ...
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If the atom Fm257100 follows the Bohr Model & the radius of Fm257100 is n times the Bohr radius , then find n : (A) 100 (B) 200 (C) 4 (D) 1/4 ...
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A nucleus with mass number 220 initially at rest emits an α-particle . If the Q value of the reaction is 5.5 MeV , Calculate Kinetic Energy of the α - particle (A) 4.4 MeV (B) 5.4 MeV (C) 5.6 MeV (D) 6.5 MeV ...
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In a triangle with BC = 3 & AC = 4 & circle with AB as diameter passes thru the centroid of a triangle then AB is (A) 5 (B) 5 (C) 3 (D) None ...
