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(A)Say whether true or false and give valid explanation: 1) Iodine does not react with CH4 at all 2)The energy of activation of Cl.+CH4 → HCL + CH.3 is smaller than that of Br.+CH4 → HBR + CH.3 (for clarification: here th ...
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I wanted to know what is meant by syn addition?.In a book i have read this that when alkenes are hydrogenated in the presence of Pd,Pt or Ni catalysts then we get alkane and that the hydrogen is added to the double bond follo ...
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Can anyone tell which of these following ligands are strong and which of them are weak? (1)CN- (2)SCN- (3)NO2- (4)NH3 (5)H2O (6)Pyridine (7)CO ...
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These are few good probs that i've been unable to solve pls solve these for me. 1)If the line ax+by+c=0 is normal to the curve xy+5=0, then a and b have (a)same sign (b)opposite sign (c)cannot be discussed (d)none of these 2) ...
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Pls solve the following for me.Or if they are too big then at least give some proper "user-friendly" hints.(solve the 3rd one first--its i think is easy n urgently reqd) 1)Find the sum of the intercepts on the axes of coordin ...
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1) Provide the products of the reaction of the substrate ClCH2OCH2CH3 with NaNO2 in EtOH. Also pls explain the logic behind the formation of the products. 2)Pls draw the structures of the following compounds for me. (i)cyclop ...
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1)Is there any short cut method to solve this prob: If f(x)=x+1/x, find f[f{f(x)}] 2)Can anyone show me the graph of cos√x? ...
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Ok here r a few ques i found quite tricky...well at least to me they were tricky..and hence i cud not solve them:)so pls do me a favour and solve them for me. 1)Solve |2x-1/x-1|>2 2)Solve |x/x-1|+|x|=x2/|x-1| 3)solve (x+3) ...
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Ok here r a few ques i found quite tricky...well at least to me they were tricky..and hence i cud not solve them:)so pls do me a favour and solve them for me. 1)Solve |2x-1/x-1|>2 2)Solve |x/x-1|+|x|=x2/|x-1| 3)solve (x+3) ...
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well i am weak in chemistry...(actually i am weak in all subjects )..anyway here is a doubt which many of u may think rubbish.But pls help this poor fellow and solve this rubbish doubt. HOW DO I DETERMINE WHETHER A GIVEN BASE ...
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Here is a problem that i got stuck onto.Pls help me out. 1) A non-conducting sheet of large surface area and thickness 'd' contains uniform charge distribution of density 'Ï'.find the electric field at a point 'P'inside the ...
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Here are a few good probs.Pls solve them. 1)What is the solution of the inequality |x+3|>|2x-1| 2)Find the solution of |x2+3x|+x2-2 ≥ 0 3)Find the solution of 2x+2|x| ≥ 2√2 ...
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This is my first physical chem doubt in a long while on chapter "Solution."Pls solve it. The vapour pressure of ethanol and methanol are 44.5 and 88.7mmHg respectively.An ideal solution is formed at the same temperature by mi ...
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Explanation reqd for the following statements: 1)"It is due to the absence of the d-orbital that the maximum covanlce of Boron is 4" 2)"Borax(Na2B4O7.10H2O)is said to contain the tetranuclear units[B4O5(OH)4]2- and correct fo ...
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1) Solve the inequality for real values of x: | x-3/x2-4 |≤ 1 (entire under mod) ...
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Evaluate the following: 1) limx→0 x2 sin1/x 2) limx→0 xcos1/x 3) limx→∞ sinx/x 4) limx→∞ cosx/x ...
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I have submitted a few doubts a couple of weeks ago. And still now they have not been cleared.It is also cum 2 my notice dat this section has bcome quite inactive.I request the Edudigm mentors to kindly solve the doubts at th ...
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*Image* Mass of the pulley is M.Tension in the rope is T.The radius of the pullry is R.Now the torque due to T is TR; but it is said that this torque will rotate the pulley anti-clockwise and hence it is positive. HOW? ...
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1) In a book it is said that in the dehydrohalogenation of alkyl hallide to form alkene, if the alkyl hallide contains only one β-carbon atom then only one alkene is formed.And they have sited this example CH3 | CH3-C-Br + a ...
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I would jus like to request the mentors to upload a few more tests (especially on general organic chemistry) and also some course materials ...
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1) Show that if a diagonal matrix is commutative with every matrix of the same order, then it is necessarily a scalar matrix. 2)Find the possible square roots of the two rowed unit matrix I. 3) If M is a 3x3 matrix where |M|= ...
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I Am having a few simple problems.... 1)In a book dat i have been reading it is said -"Dipole moment of trans-dichloroethylene is zero while cis-dichloroethylene has a definite dipole moment"...WHY? 2) Is there any technique ...
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These are a few doubts from H.C.verma 1)Can an object be in pure translation as well as in pure rotation? 2)A ball is whirled in a circle by attatching it to a fixed point with a string.Is there any angular rotation of the ba ...
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Pls give the solution of this sum. Three particles, each having a charge of 10μC are placed at the vertices of an equilateral triangle of side 10cm.Find the work done by a person in pulling them apart to infinite separation? ...
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Tell me why this is said?---explain "In case of stable equilibrium,the centre of mass goes higher on being slightly displaced.For unstable equilibrium it goes lower and for neutral equilibrium it stays at the same height." ...
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Pls Explain The following to me: 1)Is there any lower limit to the electric force between 2 particles placed at a separation of 1cm? 2)Consider 2 particles A and B having equal charges and placed at some distance.the particle ...
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Solve this one Guys!!!!! The height of a parabolic arch is 18m.The span of the arch is 24m.Find the height of the arch 8m on each side from its central position? ...
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Pls Solve And EXPLAIN these to me 1)The equation secθ =-0.7 has a solution in the second and third quadrant.(True/False) 2)Find the maximum value of |sinα|-cosβ 3)The minimum value of sec2 θ +cos2 θ is 2 (True/false) ...
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these are a few stunning questions.Try to solve these guys.Its really gives he brain a hard workout. 1) *Image* Consider the diagram above.The two small blocks are of equal masses 'm'.The coefficeient of friction between the ...
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Pls Tell me some good books for maths.I am very puzzled as i am getting too many suggestions from too many sources.And i am too confused which book to buy for which topic.And this is quite urgent as i am going to shop tomorro ...
