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What will be the mechanism of the reaction between an epoxide and a grignard reagent?? ...

1) a drop of water of mass 0.2 g is placed between two glass plates The distance between them is 0.01 cm Find the force of attraction between the plates if surface tension of water =0.07N/m-1 2)If p is the pressure of a gas i ...

Pl. try Q 94 n 95 *Image* ...

What is Ziegler - Natta Catalyst ? Where it is used ? ...

*Image* Ans : B *Image* Ans : B ...

*Image* the coeff of friction between the wedge of mass M and block of mass m is u.find the magnitude of force (F) reqiured to keep the block stationary wrt wedge.plz expln.... ...

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Total no. of ways in which 256 identical balls can be placed in '16' numbered boxes (1,2,3,...16) such that rth box contains atleast 'r' balls is (1≤r≤16) ...

\lim_{x\to 0}\left(x\sum_{i=1}^k\left[\dfrac{i}{x}\right]\right) = ?? Here [x] denotes the greatest integer function and k is a natural number. ...

HEAT-16 *Image* ELECTROMAG.41 *Image* ...

if x ε R find maximum value of 2(a-x)(x+ x2+b2 ) any method other than dy/dx ?[7][7] ...

A tiny electric dipole of dipole moment p is placed at a distance r from an infinitely long wire , with it's p normal to the wire. If the linear charge density of the wire is λ , the electrostatic force acting on the dipole ...

which one of these dsnt undergo self-ionisation?? a)N2O4(l) b)H2O (l) C) NH3(l) d) HNO3 (l) only one option correct. ans with reason... please :) ...

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pls WORK OUT these sums for me 1)If a1 and a2 are two non-collinear unit vectors and if (Modulus)[a1+a2]= 3 ,then the value of (a1-a2).(2a1+a2)is (a)2 (b)3/2 (c)1/2 (d)1 2)A particle moves on a given line with a constant spee ...

this is our great nishant bhaiyya i start this thread to count on the number of nishant bhaiyyas fans plzzz reply......... *Image* ...

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explain Metal acetyliedes ...

Sum of roots of sin^{-1}\frac{ax}{c}+sin^{-1}\frac{bx}{c}=sin^{-1}x is ????? ...

A circle with radius a and centre on y - axis slides along it and a variable line through (a,0) cuts the circle at points P and Q. What is the region in which the pt of intersection of tangents to the circle at points P and Q ...

*Image* U CAN WISH EVERY ONE FOR THE EXAMS HERE!!!!!!! ...

This is crackable but nice: f:(a,b) \rightarrow \mathbb{R} is continuous. Prove that given x_1, x_2, x_3,...,x_n in (a,b), there exists x_0 \in (a,b) such that f(x_0) =\frac{1}{n} \left(f(x_1)+f(x_2)+f(x_3)+...+f(x_n) \right) ...

when CH3-CH2-CH-Cl2 is treated with NaNH2, the product formed is ? ...

Could Sum1 Pls Explain "Equivalence Point"?...I searched in all standard books but got no complete info.....i think i question related to this also came in JEE08............Pls Help ...

Assertion : A is more stable than B . reason : Resonance effect leads to stabilization . *Image* ...

NUMBER OF ORDERED TRIPLETS l,m,n ( l,m.n are positive integers and 1≤ l,m,n≤ 8 ) such that 2l + 3m + 5nis divisible by 4 is _______________ [94] a> 224 b>288 c> 60 d> 256 ...

plzzz explain me the answer of Q30 and Q31 from SHM in HC Verma ...

1) A wheel with a radius 45 cm rolls without slipping etc. At time t1 a painted pt p is at the bottom of the wheel in contact with the floor. At a time t2, The wheel has rolled thru 1 half revolution.What are a)Magnitude b)an ...

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