-
find capacitance b/w point A and B area-A separation b/w plates d *Image* ...
-
A pt charge q is placed inside a conducting spherical shell of inner radius 2R and outer radius 3R at a distance R from the centre of the shell.Find the potential at the centre ...
-
Q10 2-methylbutane can be prepared by a) decarboxylation b) grignard reagents c) Wurtz reaction d) all of the above ans is d...........how can it b prepared by wurtz reaction?????only symmetric alkanes are generated by this m ...
-
{x}2+{y}2=1 ...
-
can any one give the mech and hence the prod. *Image* ...
-
wat r ligands and how is CN- a strong ligand ...
-
this question appeared in yesterday's chem paper,had no clue abt it C6H5N2Cl + CH3COCl --------> ? don't think CH3CO grp can act as a nucleophile,and since no lewis acid is given,it rules out electrophilic substitution as ...
-
These are elementary doubts.....please do help..... 1.> Why is heavy water used as a moderator in a nuclear reactor? I mean i kno it is used and i also kno y....but y heavy water..plzz explain.. 2. What is the name given t ...
-
hi evrione in this forum i will try to put some imp chem Q on a regular basis most of the q will be thought provoking & conceptual but please do tell if they are too easy i will add the Qs in the second post and other things ...
-
Draw the graph of sin(x+iy) ...
-
Hi Student, 5 months since our inception, It gives me immense pleasure to announce the launch of a magazine for IIT JEE preparations! It will be given free to select users of Our site. Check the details in the mail. We are al ...
-
1 In order to prepare a 1º-amine incorporating an additional CH2 group from an alkyl halide, what reagent is often used as the nitrogen source? A) sodium amide, NaNH2 B) sodium azide, NaN3 C) potassium cyanide, KCN D) potass ...
-
A certain gas A polymerizes to a small extent at a given temperature & pressure, nA \Leftrightarrow An. Show that the gas obey the approx equation \frac{PV}{RT}=\left[1-\frac{(n-1)K_{c}}{V^{a-1}} \right]whereK_{c}=\frac{\left ...
-
ASSERTION REASON :- 1. STATEMENT 1- When a soda water bottle falls freely from a height of h , the gas bubble rises in water from the bottom STATEMENT 2 - Air is lighter than liquid 2. S1- When an object collides with another ...
-
The chord AC of the parabola y2=4x subtends 900 angle at points B and D on the parabola . If A , B, C, D are represented by t1 , t2 , t3 , t4 then , show and find the relation BETWEEN t1 , t2 , t3 , t4 . ...
-
*Image* ...
-
\left|y \right|=\left(x-\left[x \right] \right)^{2} iseh banao, accha dikhta hain i mean draw its graph ...
-
Help Jack!! Some Jack's physics and see how it helps him escape the flying Duchman :P Q.1 Jack is on the top of a mast(10 m high see level) of his Black Pearl and sees the flying Duchman (point sized :P) at a distance of ...
-
Let A be any set of 20 distinct integers chosen from the arithmetic progression 1,4,7,..............,100. Prove that there must be two distinct integers in A whoe sum is 104 . ...
-
Amazing Video Lectures from the BEST Teacher in Physics ss:- http://ocw.mit.edu/NR/rdonlyres/Physics/8-01Physics-IFall1999/53A6E324-56BD-4DC0-93C3-A544F1B8506B/0/801SwingA.jpg WALTER H. G. LEWIN, Professor of Physics,MIT - On ...
-
try sending a sentence in instant chat... having word click... [3] [3] ...
-
ey-x dy/dx =ex-ey ...
-
can any1 tell me da logic bhind findin da temp of any jn?(better if gn wid an example) ...
-
when i try to change my password....it doesn't work...it only accepts the password given by you.....and by the way the chart in mathematics that is given under "my prep" has an error under calculus and co-ordinate geometry... ...
-
STATEMENT-1: For every chemical reaction at equilibrium, standard Gibbs energy of reaction is zero. and STATEMENT-2: At constant temperature and pressure, chemical reactions are spontaneous in the direction of decreasing Gibb ...
-
Q1. lim(x→2a) [ x-2a + x - 2a ]/[ x2 -4a2] Q2. lim(x→∞)2x( x2+1 - x) ...
-
draw the graph of y= sin [x] - cos [x] ...
-
ITS da eqtn in 2 pt. form...... *Image* DOUBT : 1) HOW TO SOLVE A "COMPLEX" determinant??? [7] ........... Do v take modulus in da end?? ...
-
In my boards exam a question read....... For a first order reaction, the half life period is dependent on? a.catalyst b.temperature c.square root of conc. of reactants d.rate constant Almost all the students wrote rate consta ...
-
Q5 The standard reduction potential of Li+/Li, Ba2+/Ba, Na+/Na & Mg2+/Mg are -3.03, -.73, -2.71 and -2.37 volt respectively. Which one is the strongest oxidizing agent? a) Na+ b) Li+ c) Ba2+ d) Mg2+ Your Answer: (c) Correct A ...