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Please post your expected marks. mine- Physics: 140(objective)+ 0(subjective) Chemistry: 165 (as per resonance solutions) ...
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In the evaluation of NSEP, is the total of Part A and Part B considered or only the score in Part B considered ? ...
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Q1) *Image* Please explain whether (c) is true/false *Image* *Image* *Image* Answers Q67) 9 Q70) 4 Please explain your answers briefly. ...
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*Image* Please give brief explanation also ...
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Q1) Why do we say ΔS = Qrev/T Q2) While finding direction of spontaneity for a reaction, we say ΔSsurroundings = Qsurrounding/T = -Qsystem/T ΔSsurroundings = -ΔHsystem/T ΔSuniverse = ΔSsystem- ΔHsystem/T and further we ...
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Let f(x) be a continuous function such that f(x) does not vanish for all real values of x if *Image* then f(x) (for all x ε R) is (a) an even function (b) an odd function (c) a periodic function (d) None of these Ans: (d) ...
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1) Ph=N=C=O ----(1. CH3MgBr)----> ----(2. H2O------> 2) Ph--Br ----(Mg)---> A --(1. C*H3COCH3)---(2.H+)---(3.heat)---> B B------(NBS)---->C-----(AgNO3/H2O)---->D D-----(O3/H2O, Zn)---------> E + F Identif ...
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*Image* + HBr ------(in Non polarizing medium)------> Ph--S--CH2--CH2--CH2--Cl -----(NaOD/D2O)-----> *Image* ...
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1) How can we say that entropy is a function of probability of thermodynamic sate? 2) Ludwig-Boltzmann statement for Second law of thermodynamics(SLOT): "Nature tends to pass from less probable to more probable state" How is ...
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NH2 l CH3-C=NH or (CH3)2NH NH2 group is attached to C Which is more basic and why? ...
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How can we account for the below Kavalues a) Benzoic acid 6.3 x 10-5 b) p-nitro benzoic acid 30.6 x 10-5 c) p-chlorobenzoic acid 6.4 x 10-5 d) p-methoxy benzoic acid 3.3 x 10-5 e) p-methyl benzoic acid 4.2 x 10-5 ...
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Why don't carbenes combine to give ethene whereas two H-C with 3 free e- combine to give H-C≡C-H ? ...
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1) Prove that nn> 1.3.5.....(2n-3)(2n-1) 2) Let a, b, c be the sides of a triangle with perimeter 2. Prove that a2+b2+c2+2abc<2 3) -5<x<11. What is the greatest value of (11-x)3(x+5)5 4) x,y,z are positive real nu ...
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Out of H-H and D-D which is having higher bond enthalpy and why? ...
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When a body is weighed on an ordinary balance we demand that the arm should should be horizontal if the weights on two pans are equal. Suppose the equal are put on two pans, the arm released. Is the torque of the two weights ...
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*Image* Can we say that it is a function? "of form x = f(y) " ...
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What is the remainder when 21991 is divided by 1991 ...
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If 4x-y is divisible by 3, prove that 4x2+7xy-2y2 is divisible by 9. ...
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*Image* Suppose ABC is an equilateral triangle BD/BC = 1/3 CE/CA = 1/3 AF/AB = 1/3 find the area of the shaded triangle divided by the area of triangle ABC. ...
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If x and y are integers such that (x+2y)2 + (x+4y) = 710 The value of x is (A) 13 (B) 15 (C) 18 (D) 26 ...
