Recently Active Chemistry Questions

now my goodness....explain this... *Image* now...i thought....stability is in order I<IV<III<II but actually it is given I<IV<II<III how the hell II<III II is outright conjugated...III is it conjugated... ...

how to understand which of a free radical is stabler?? we know that conjugated system is stabler than 3° is stabler than 2° which is stabler than 1° and ultimately weakest is .CH3 but what if the question involves things l ...

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Q. as abv, no . of structural isomers of methyl anthracene is ___ ...

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Distribution coefficient of an organic acid between water and benzene is 4.0, in favour of benzene. 2.5g of acid is distributed between 25 ml of benzene and 50 ml of water Q1. amount of acid in 25 ml of benzene is Q2. molarit ...

Why is :CF2(difluorocarbene) more stable than :CCl2 and :CH2 ?? ...

How many bridging atoms in ligands is/are present in [Fe4O(CH3COO)6]? ...

how tto find out which one among the tautomers is more or less predominating??? for example in pairs like as follows.... 1.) *Image* 2.) *Image* please give full working...neither do i know the method nor do i have the answer ...

The coordination number of a metal crystallizing in a hexagonal closed packed structure is A. 12 B. 4 C. 6 D. 8 ...

Statement 1 : Band gap in germanium is small. Statement 2 : The energy spread of each germanium atomic energy level is infinitesimally small. ...

In a solid 'AB' having the NaCl structure 'A' atoms occupy the corners of the cubic unit cell.If all the face-centered atoms along one of the axes are removed,then the resulting stoichiometry of solid is --- A. AB2 B. A2B C. ...

Find out total number of moles of phenyl hydrazine used during glucosazone formation from glucose. INTEGER ANS TYPE ...

(CH3)2CHCOCH(CH3)2+(CH3)2CHMgBr (G.R) WILL PRODUCE????????? ANSWER EXPLAINING MECHANISM ...

Heat of combustion of acetylen at 25 C is -1300 kJ at constamt pressure.FInd heat of combustion at constant volume. ...

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http://rapidshare.com/files/50837517/Fundamentals_Of_Organic_Chemistry.pdf I hope this helps all of you :) ...

1)An aldehyde (A) (C11H8O), dosen't undergo self aldol condensation, & gives Benzaldehyde & 2moles of (B) on Ozonolysis. One mole (B) on oxidation with Silver ion gives a dibasic acid (C), one mole of which liberates 2 mole C ...

How many structural isomers are possible with the hydrocarbon having the molecular formula C5H10?Please give their IUPAC names.. ...

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wat comes first in the order of preference in nomenclature of organic chem.? sulphonic or carboxylic? in some books it is given as carbo.(xi ncert) but in some other ones it is given as sulp.! which one is right?& ...

Assertion : The pressure of a fixed amount of an ideal gas is proportional to its temp. Reason : Frequency of collisions and their impact both increase in proportion to the square root of the temperature. ...

When one mole of monoatomic gas at T K undergoes adiabatic change under a constant external pressure of 1 atm changes volume from 1 L to 2 L.The fianl temperature in Kelvin would be A. \frac{T}{2^{2/3}} B. T + 2/3 * 0.0821 C. ...

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Total number of achiral isomers obtained from monochlorination of methyl cyclohexane....... ...

1..why calcination done below the fusion temp. of metal and that in roasting below its M.P ...