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............................................................................. Not to jump, date hasn't been declared yet. Jump now if u feel like it...19th May 2010 (Chennai/Ajmer/PAnchkula regions) ..8:00 am... TOMORROW ! OL ...
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1) i.All donkeys are humans ii.Some humans are not tigers From above statements we can conclude that- A- Some donkeys are Tigers B- Some tigers are donkeys C- Some humans are donkeys D- Some tigers are not humans 2) Fran: I w ...
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Verma!,Resnick!,Irodov!,Arihant!,MLKhanna!,ADG!,TMH!,MorrissonBoyd!,Finar!,Loney!.... NO...This is not fr the typical JEE stuff tht we are usually submerged in, this is to share ur fav books (fiction,thriller,adventure,horror ...
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1) Find the least positive integral value of "k" such that it satisfies- {\begin{pmatrix} cos\frac{2 \pi}{7}\ -sin\frac{2 \pi}{7}\\ sin\frac{2 \pi}{7}\ \ cos\frac{2 \pi}{7} \end{pmatrix}}^k = \begin{pmatrix} 1 \ 0 \\ 0 \1 \en ...
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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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*Image* ...
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:: Single Option Correct :: *Image* (Thts a Methyl Group in Qn 2)) 3)Which can be prepared from NitroBenzene by SE reaction...? a) o-dinitro benzene b) p-dinitro benzene c) m-nitro toluene d) m-dinitro benzene ...
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Vapour Pressure of 0.01molal sol.n of a weak base BOH in water at 200C is 17.536mmHg. Calculate "Kb" for the base, given that Aqueous Tension at 200C is 17.540mmHg. (Also assume the base's molarity & molality to be the same.) ...
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Convert Benzene to - 1) Ph-CH2-CH2-D 2) Ph-CHD-CH3 3) para-D-(C6H4-CH2CH3) In not more than "X" no. of steps, where "X"→ ∞ .... :D P.S. They are Doubts. ...
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:: Single option Correct :: 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 ...
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1) Find the value of y(log4), if y2 -7y1 +12y=0, given that- y(0)=2 & y1(0)=7. 2) :: Done :: If a function f(x) satisfies- i) f(x+y)= f(x).f(y) ii) f(x)= 1 + x.g(x), where Lim(x→0) g(x)=1. Find the value of logf(8). (Ans - ...
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If "f" is a Decreasing Odd fn., f-1 is - a)Odd, Decreasing b) Odd, Increasing c) Even, Decreasing d) Even, Increasing ...
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∫(x7m+ x2m + xm).(2x6m + 7xm + 14)1/m.dx (Have seen these sort of Qn(s) b4 too,,,A hint to start wud be enuf...) ...
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1) Total no. of stereoisomers for- Me--CH(Cl)--CH=CH--CH=C=C(Me)--Me .....? 2) Total no. of products on MOnochlorination of n-Pentane in the presence of sunlight ? 3)Arrange in Decreasing order of Rate of ElectroPhillic Subst ...
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1- Suggest a Chemical Test to distinguish b/w - *Image* 2- Chloro Benzene is subjected to the following- i)Nitration mixture ii) Cl2/FeCl3 iii) NH2-NH2 The Final Product is ? 3) A: Only method of preparing F2 is electrolytic ...
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I was surprised....noone started a thread, don't neglect English (It is the % maker) :P Anyways....Kaisa tha ? [173] Also,,, How is my New Shirt....? :D ...
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*Image* Now, how do we explain this, Lowest Sum or Priority ....? ...
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[CLOSED] Similar thread already started. ...
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1) A thin insulating rod is charged in a uniform manner & the resulting linear charge density is λ. The rod is bent into the shape of a semi-circle. Find the magnitude of the electric field strength at the centre. 2) A Gold ...
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:: Some Conversions :: 1) BromoBenzene -----> 4-MethoxyPhenol (Max. 5 steps) 2) NitroBenzene -----> Meta-nitroPhenol (Max. 4 steps) 3) BenzoicAcid ------> MetaFluoro BenzoicAcid (Max. 3 steps) :: One Simple Qn :: 4) ...
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1)An aldehyde (A) (C11H8O), dosen't undergo self aldol condensation, & gives Benzaldehyde & 2moles of (B) on Ozonolysis. One mole (B) on oxidation with Silver ion gives a dibasic acid (C), one mole of which liberates 2 mole C ...
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Its high time now [3] (Some NCERT + HOTS Qn(s)) BIOMOLECULES 1)Where does, the water present in the egg, go after boiling the egg? 2) Name a water soluble vitamin which is a powerful antioxidant. 3) Fructose contains a keto g ...
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*Image* ...
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Some might-be-too-easy-type integrals, i don't know exactly :P. *Image* ...
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1) Let a,b,c,d be 4 integers such that ad is odd, & bc is even. Then, ax3+ bx2+ cx +d=0 has- A) At least 1 Irrational root. B) All 3 Irrational roots. C) All 3 Integral roots. D) None of these. 2) Let f(x)= ax2 +bx +c, a,b,c ...
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1) Find the no. of rational roots of- P(x) = 2x98 + 3x97 + 2x96 + 3x95 +....+2x+3 =0 (Hence, find the roots too.) 2) Least degree of a polynomial with integral coeff. of which a= 31/2007 is a zero is- a)223, b)669, c)2007, d) ...
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Single Option Correct. 1) Electron Affinity is +ve when- A) O- is formed from O. B) O 2- is formed from O-. C) O+ is formed from O. D) Electron Affinity is always negative. 2)Of the 4 ∂H values needed to calculate the latti ...
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Find the value of - *Image* btw...why is latex not working ? ...
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Good Obj. Qn(s)... Needed to clarify & verify my answers, 'coz i don't have the list of correct ones. SINGLE ANSWER CORRECT *Image* *Image* MULTIPLE ANSWERS CORRECT *Image* Do post the answers u all got. ...
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1)A 0.01M complex of CoCl2 & NH3 (molar ratio 1:4) is found to have effective molarity of 0.02M (evaluated frm colligative property). What is the formula of the complex ? A) [Co(NH3)4]Cl3 B) [Co(NH3)4Cl2]Cl C) [Co(NH3)5Cl]Cl ...
