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1.arrange order of polarity(with logic)-NH3,PH3,AsH3,SbH3. 2.which of these has the strongest sigma bond-ethane/ethene/ethyne/benzene? ...
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1.arrange order of polarity(with logic)-NH3,PH3,AsH3,SbH3. 2.which of these has the strongest sigma bond-ethane/ethene/ethyne/benzene? ...
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some more simple doubts- 1)find maximum excess pressure inside a thin walled steel tube of radius R and thickness r(<< R) so that tube wont rupture(breaking stress of steel s) 2)a beaker containing water is rigidly fixe ...
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why stability of metal fourides decreases down the group while that of other halides increases? ...
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CH3NHCH2CHO+CH3MgBr-> ? ...
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CH3NHCH2CHO+CH3MgBr-> ? ...
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im having a very basic doubt regarding "oxidation state".how can nitrogen have +5 oxidation state when it does not have a d-orbital??is it neccessary to have n "unpaired" electrons to show +n ox. state?and how is its maximum ...
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im having a very basic doubt regarding "oxidation state".how can nitrogen have +5 oxidation state when it does not have a d-orbital??is it neccessary to have n "unpaired" electrons to show +n ox. state?and how is its maximum ...
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. A particle, which is constrained to move along the x-axis, is subjected to a force in the same direction which varies with the distance x of the particle from the origin as F(x)= - kx + ax3 . Here k and a are positive const ...
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while doing a sum the emf of a battery in a circuit came out to be negative.surprisingly the answer was negative.how is it possible.how is the current flowing then?? ...
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why is a compound with paired electrons diamagnetic and unpaired paramagnetic? ...
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i had a wierd doubt..y is dsp2 square planar while sp3 is tetrahedral?? ...
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solid cube half immersed in water has time period of small vertical oscillation equal to p/5 s(p means pie).find mass of body.. ...
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√(1+1/12+1/22) + √(1+1/22+1/32) +....√(1+1/20072+1/20082) ...
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well pls suggest sum gud book (other than o.p.tandon and maity ganguly) for inorganic.im horrible at it- 1)white ZnO on heating looses oxygen and becomes yellow due to defects in solid structure.no of defects increases or dec ...
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A car moves uniformly along a horizontal sine curve y = a sin (x / b) , where a and b are constants. The co-efficient of friction between the wheels and the road is equal to k. At what velocity will the car ride without slidi ...
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A car moves uniformly along a horizontal sine curve y = a sin (x / b) , where a and b are constants. The co-efficient of friction between the wheels and the road is equal to k. At what velocity will the car ride without slidi ...
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well pls suggest sum gud book (other than o.p.tandon and maity ganguly) for inorganic.im horrible at it- 1)white ZnO on heating looses oxygen and becomes yellow due to defects in solid structure.no of defects increases or dec ...
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well pls suggest sum gud book (other than o.p.tandon and maity ganguly) for inorganic.im horrible at it- 1)white ZnO on heating looses oxygen and becomes yellow due to defects in solid structure.no of defects increases or dec ...
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y=f(x) is a function on R->Q and continuous such that f(2)=3.then the function is even/odd/increasing/cant be said. ...
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CH3-CO-CH2-CH2-CH2-CO-CH3 + OH- + Δ → ? ...
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[x] + [x+1/n] +[x+ 2/n] +........[x+ (n-1)/n]=[nx] is true a)for any real no x b)for any integer x c){x} is multiple of 1/n d)for no n. ...
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[x] + [x+1/n] +[x+ 2/n] +........[x+ (n-1)/n]=[nx] is true a)for any real no x b)for any integer x c){x} is multiple of 1/n d)for no n. ...
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*Image* A conductor AB of length L is carrying a current 'i' is placed perpendicular to a st. conductor XY carrying a Current I as shown.The force on AB will act A. Upward B. Downward C. To the right D. To the left Explain wh ...
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I have selected these colleges to give exams of...... IIT AIEEE VIT BITS DCE & CG-PET ( if it is conducted).... Which xams I shud not give....if anyone has names of some much better college then plz suggest... Reply soon its ...
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I have selected these colleges to give exams of...... IIT AIEEE VIT BITS DCE & CG-PET ( if it is conducted).... Which xams I shud not give....if anyone has names of some much better college then plz suggest... Reply soon its ...
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i had a doubt regarding the mechanism of aldol say for example,of acetaldehyde.After OH- takes away an acidic hydrogen,the formed -CH2CHO attacks the C of C=O of another acetaldehyde mol but 1)isnt the reso structure of -CH2C ...
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On a sheet of paper the following statements are written- Exactly 1 statement in this sheet is false Exactly 2 statements in this sheet are false . . . . Exactly 100 statements in this sheet are false q)how many statements in ...
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Sir I want to buy an advanced book for reference in organic. My tuition teacher has suggested that I read one after studying from bahl n bahl and school books. I have found out about 2 books which meet my requirements---Peter ...
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∫0∞xeaxdx(limits from 0 to ifinity) ...
