Recently Active Chemistry Questions

plot of log k versus time 1/t for first order reaction ...

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explain tenp. coefficient for exothermic and endothermic reactions ...

please explain dipole moment. ...

What method should be employed to hybridisation of the central atom and the shape of the molecule NCO-.Please answer. ...

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Generally Alcohols r less acidic than water.... (+I & stabilisation of carbanion ..) EXCEPTION : Methanol is slightly MORE acidic than water (pKa 15.5 & 15.7 resp.) Any explanations??? ...

in photochemical reactions free energy increases why ??????? ...

is arrhenius fator independent og temp. ...

why no meaning of molecularity for complex reactions ...

why higher the binding energy per nucleon higher stability ...

pls explain me co-ordinate bond. ...

is there any test on alcohol, ethers????????plzzz do tell me... ...

when there is a competition between the carbonyl bond and c=c double bond in the case of b.v. oxidation...the double bond gets preference under ordinary conditions and forms epoxides but the preference is just the other way i ...

*Image* can somebody explain the above curves ....and the concept of azeotropes .......to me .....this image has been copied from wikipedia ... so as you can judge i have read the material up there ....but still i am confused ...

On what factors does the strengths of electrophiles & nucleophiles depend on??? ...

Boron or Fluorine - neither has vacant d-orbitals, so how can boron tri-fluoride act as a lewis acid? ...

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 ...

Can someone give me the following 2 mechanisms? 1) Mech of DDT formation from Chloral and Chloro-Benzene 2) Mech of Di-oxane formation from Glycol in presence of fuming Sulphuric acid... ...

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 ...

What is diluted milk- a) A suspension b) A colloid or c) A True Solution And why? ...

if i add it across CH3NH2 *Image* will i get cis 1,2 dimethyl cyclopropane or trans 1.2 dimethyl cyclopropane?????????????????????? ...

please suggest a good book on physical chemistry . ...

Guys why is 5 gram atoms of Nitrogen heavier than 50 grams of Iron ? ...

-NH2 gr. shows acidic nature while reacts with reagent-- A. Na B. CS2 C. Br2 + NaOH D. Water ...

why compactness decreases the boiling point and increases the melting point of a structure????????????????????? ...

why NO is paramagnetic in gaseous state but diamagnetic in solid and liquid state ...

Column I Column II (A) Molar conductance (Λcm) (p) Λcm/Λom (B) Equivalent conductance (Λceq) (q) decreases with dilution (C) Resistance of electrolytic solution (R) (r) Increases wtih dilution (D) Degree of ionisation of ...

why melting point decreases from antimony to bismuth ??????? plz give valid reason............. ...

Why is SN1 reacn carried out in polar protic solvent? ...