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CARBOCATION FORMATION STABILITY ORDER?????? a b c d e CH3-CH=CH-CH2-CH3-(CH3)2 ...
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Q. In a cyclic process dU nd dW respectively a) both r 0 b) both non 0 c) dU 0 nd dW may or may nt be 0 d) dU 0 nd dW non 0. ...
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*Image* Predict the product(actually which is not tough....i was too lazy to draw i) and give the mechanismt. ...
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1. y+x dy/dx = x [f(xy)/f '(xy)], thn f(xy)= ? a) k(e)(x)2/2 b) k(e)(y)2/2 c) k(e)(xy)/2 d) k(e)(xy) 2. y= (c1 +c2)[sin(3x+c3)] - c4e(2x+c5) Find the order of this differential equation: a) 2 b) 3 c) 4 d) 5 ...
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plz rpely ASAP *Image* ...
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Sum of all the solutions in [0, 4π] of the equation- tanx + cotx +1 = cos(x + π/4) is ?? ...
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1) draw the graph of {x2} ......{.} is fractional part 2) \\If\\\; \theta +\phi =\beta ,\left(0<\beta <\frac{\pi}{2} \right)\\ \textup{then find the max value of} \\ sin^2\theta +sin^2\phi ...
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Generally people miiss out chapters like surface che, and all but there can be conceptual questions too. e.g. Q)explain why there would be no observable " Tyndall Effect" when diameter of dispersed particle is much smaller th ...
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wat is the O N of 1) Cr in CrO5 2)S in H2SO5 why is with normal way of finding ON the ans is not coming ...
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the depression in freezing point (for the same amount of each) is: acetic acid<trichloroacetic acid<trifluoroacetic acid...explain NCERT Class XII part 1 pg. 61 q)2.31 ...
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1.Area of the region bounded by the curves x=y2-1 and x=|y| 1-y2 is a.1 b.4/3 c.2/3 d.2 2.A man has 7 relatives 4 of them are ladies and 3 gentlemen ,his wife has also 7 relatives 4 of them are gentlemen and 3 of them are lad ...
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Evaluate: \int_{0}^{a}{\frac{ln(1+ax)}{1+x^2}}dx ...
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Find the sum of all integral values of P for which the equation \left|x+\frac{1}{x} -3\right| = P-3 has exactly two distinct roots. ans-----------21 ...
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Eq constant for reaction [Ag(CN)2]- ≈ Ag+ +2CN- is 4 x 10-19 calulate silver ion conc in a soln which is originally 0.1M in KCN and 0.03 M in AgNO3 ...
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q1 Find intervals of continuity,differentiability 1) sin-1( 1+x2/2x ) 2) [x[1-x]] [.] denotes Greatest Integer function q2 Find Domain and range 1/[sinx] q3 f(x) and g(x) are twice differentaible functions in [0,2]. If f"(x)= ...
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(1)CH≡CH react with Cu2cl2 and NH4Cl to form A. A reacts with 1eq H2 and give B. Find A and B. (2)Mendelic amide reacts with Br2/KOH to give?? (3)What is the co-ordination number of C in solid (LiCH3)4? please give answer w ...
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(1)What is Corey house reaction?Is it a nucleophilic addition?Please state its mechanism. ...
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CArefully see the interplay of ortho effect,h-bond and mesomeric effect Arrange the following in increasing acidity 1) a. o-nitroaniline b. *Image* ...
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friends weak in chemistry help required : tell me the basic concept of titration and how can we use different indicators in different titration ,also tell me about titration curve. ...
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1) A metallic element crystallises into a lattice containing a sequnece of layers of ABABAB.. Any packing of spheres leaves out voids in the lattice. Percentage of Empty Space (by Volume) is - a)52% b)48% c)50% d)74% Its clea ...
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Qn(s) frm one of the OrG. tests here. 1) Among the following which is highly acidic? 3-hydroxy Benzoic acid 2-hydroxy Benzoic acid 4-hydroxy Benzoic acid a) 3>1>2 b) 2=1>3 c) 1>2>3 d) 1>3>2 ( ANs: d... ex ...
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who din get isat adsmit card yet???[2] ...
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Getting into the IITs - the hallowed portals of high class engineering education in India requires one to cope with immense competition, the changing pattern of the exam year after year and in the end giving one's best during ...
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A rectangular Hyperbola is drawn thru the point of intersection of the circle x2+y2+2gx+2fy+c=0 & the pair of straight lines ax2 + by2+ 2hxy=0. If the hyperbola cuts x axis at A & B & the y-axis at C & D . The equation of the ...
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prove that bc(b+c)+ca(c+a)ab(a+b)<=2(a3+b3+c3) there r many sol to this sum but 1 ol just takes 2 steps lets see who get it ...
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Reaction of HCHO and CH3—CHO in the presence of KOH solution is called ...
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Just answer all these organic's question and tag reason with it as well. Q1: Napthalene + ( COCl-COCl ) ------(AlCl3)--> A ---(Zn(Hg)/HCl)--> B. Q2: *Image* ---> A ----( NH2-NH2 ) B --- (Se + heat ) ----> C ...