Recently Active Chemistry Questions

Conc H2SO4 is added to MOhr Salt to prevent hydrolysis but why do we use NH4+ ??? Otherwise just FeSO4 can be used for titraations why r we using Moher Salt. Wats so special about NH4+ in that salt?????? ...

1) no. of isomeric ethers with chiral carbon in molecular formula C5H12O4 2) *Image* which nitogen in thymine is more acidic . (with explanation) 3) Number of isomers of the formula C4H8O4 ...

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*Image* Help me with the mechanism.. Please ask your teachers if any.. or give me a link/article online. ...

What type of Questions come in AIEEE and WBJEE from Na More Specifically NaOH Na2O Na - Compounds ??? ...

There are 2 containers having equal volume,temperature and total pressure. 1 contains 5 moles of N2. the other one contains 3 moles of O2 and 2 moles of He.For the same time-interval the gases are diffused outside. Find the r ...

1)A cell Ag|Ag+||Cu2+|Cu initially contains 1M Ag+ and 1M Cu2+ ions. Calculate the change in cell potential after passage of 9.65A of current for 1 hour. 2)Calculate emf of the following cell at 25°C Pt,H2(3 atm)|HCl|H2(15 a ...

guys can any1 tell me wat will happen when nascent oxygen reacts with anatoxin the structure of anatoxin is given in wikipedia and will there be any reduction of toxicity when the oxygen is removed ??? *Image* thanks much i v ...

*Image* show the product with mechanism please. ...

Can anyone explain to me what is ortho effect? ...

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The thermal conductivity of graphite along an axis in the plane of hexagonal rings is A)exactly the same as along axis perpendicular to this plane B)is less than along an axis perpendicular to this plane C)is more than along ...

I could write questions here as it is time consuming. I wrote them here. Please help me. http://www.artofproblemsolving.com/Forum/viewtopic.php?f=330&t=458393 http://www.artofproblemsolving.com/Forum/viewtopic.php?f=330&t=458 ...

*Image* In above figure note the hybridization of Nitrogen and sulfur mentioned.... Do you find mistakes? *Image* Again, note hybridization of Nitrogen.... Don't you find any blunders? *Image* sp2 Hybridization for Nitrogen a ...

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What is mono chloro derivatives?? ...

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Nuclear density of iodine-125 atom is approx a)2 x 1015 g/cc b)2 x 1014 g/cc c)2 x 1015 kg/cc d)4 x 10-14 g/cc e)2 x 10-14 g/cc ...

For Ag(s) | AgCl(s) | Cl-(aq) | Br- / AgBr(s) | Ag(s) , E° cell shall be : A) - 1/38.91 log10 Ksp AgBr/Ksp AgCl A) - 1/38.91 log10 Ksp AgCl/Ksp AgBr A) - 1/38.91 loge Ksp AgBr/Ksp AgCl A) - 1/38.91 loge Ksp AgCl/Ksp AgBr My ...

1) Why ether is used in preparing Grignard's Reagent? 2) C6H12 (A) has chirality but on hydrogenation A is converted into C6H14( B) in which the chirality disappears. Write the IUPAC name of A. ...

1))Locate the Chiral carbon in the following compounds:: a) 2-cyclopenten-1-ol b) 1,1,2-trimethylcyclobutane c) 2-methylcyclohexanone d) 4-methylcyclohexanone 2) Write the structure of the compound of C4H8 which reacts with a ...

I don't know which book to follow for organic chemistry. I have the arihant organic book(by R.K.Gupta) but i don't like the pattern as it does not give any explanation to the answers of the exercises. Is the new arihant Organ ...

Q: How many alcohols with formula C 5 H 11 O will give an aesthatic substance on treatment with Cl2/Ca(OH)2 This is a FIITJEE question. I however could not find any any alcohol with the given formula? Need Help! ...

How many minimum H-atoms are required to observe maximum number of distinct spectral lines when an electron jumps from O shell to K shell ? A)3 B)4 C)5 D)6 ...

Ph-NH2 + aq. FeCl3→ brown colouration. Why is the solution brown? ...

vinylic cation formed by alkyne is less stable than alkyl cation formed by alkene.alkyne are less reactive than alkene toward electrophilic reagent but are more reactive toward nucliophilic reagent. in addition C-C bond lengt ...

Plz explaine substitution and addition reactions? ...

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*Image* i know the answer. so please give the steps. ...