Recently Active Chemistry Questions

which is more strong?? covalent bond or electrovalent bond Give reasons also. ...

For an ideal binary solution with PA0> PB0,then which relation between XA and YA is correct a) XA=YA b)XA >YA c)XA < YA d)XA/XB<YA/YB ...

Under thermodynamic control what would be major product *Image* ...

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which is stabler a)aryrl carbocation b)vinyl cabocation For the aryl carbocation , there are 2 reso structure posible for it and there even no hyperconjugation for vinyl carbocation.So aryl must be stabler But in the most rec ...

In addition of DBr to 1,3-cyclohexadiene,2 products are obtained.What is best explaination for formation of B??? *Image* ...

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 ...

Convert ETHANAL to BUTANAL 1,3 DIAL do describe the structure of d same ...

a stock room supervisor measured the contents of a partially filled 25 gallon acetone drum on a day when the temperature was 18°c and atmospheric pressure was 780mm Hg,and found that 15.4 gallons of the solvent remained. aft ...

aa dekhe jara kisme kitna hai inorganic dum .... *Image* To make things easier here are the options ... (a) q,r q,s s,p r,p (b) s r q p (c) q r p s (d) r p q s ...

CHOOSE THE CORECT STATEMENT(S) A)The red blood colour obtained by adding KCNS to a ferric salt fades out when NAF is gradually added to it B) When NaOH is added to a cupric salt solution, pale bluish geen Cu(OH)2 is precipita ...

Vapor pressure of most substances increases with temperature Which way of plotting these data is expected to give a straight line? a) 1/P v/s T b) P v/s 1/T c) ln P v/s T d) ln P v/s 1/T ...

I am giving JEE 2010. I do not where to start the organic chemistry from. I do not know anything in organic. PLs help me and tell me how should i start and go about studying it ...

Q1. What is the difference between non-aromatic and antiaromatic? .. wud u call cyclooctratetraene as non-aromatic or anti-aromatic? Q2. Why is pyrene aromatic even though it violates Huckel's rule? *Image* Q3. Show the dipol ...

why aq. KOH substitute by SN2?????? ...

compare d rate of decarboxylation RC(CI)COOH N RC(F)COOH ...

c6h5-ch2-chF-CH3 ON DOING E1CB WILL FORM SAYTZEFF ALKENE OR HOFFMAN ...

Lucas test is used to distinguish between primary, secondary and tertiary alcohols. Lucas test progress through the formation of carbocation in case of secondary and tertiary alcohols. and there is always a possibility of rea ...

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Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotized and then heated with cuprous bromide. The reaction mixture so formed contains 1. mixture of o-; an ...

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1.explain y para nitro benzoic acid is weaker acid than ortho nitro ...... acid 2.xplain y alpha methyl acetyl acetone undergoes lesser enolisation than acetyl acetone 3.pls explain wat exactly meso means ....[i know this 1 i ...

synthesise 1) coumarin find the structure here. http://en.wikipedia.org/wiki/File:Coumarin_acsv.svg 2) naphthalene from benzene 3) ethyl benzene in good yield from benzene 4) isopropylbenzene from benzene in one step given pr ...

Which is a better leaving group Cl- or OEt- ? ...

"nucleophilicity runs parallel to basicity when the nucleophilic atom is the same in various species" ...

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wat will d pdt of C6H5CH=CHCHO reactd wid LiAlH4 and NaBH4 xplain ur answr wid reason. ...

Rapid breathing causes CO2 in blood to increase..pH of blood will ___?? Fiitjee ans is NO CHANGE.. but i remember my sir while teaching mentioned,,pH increases and thus v feel dizzy..(any1 wants the reason) is Fiitjee ans wro ...

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