Recently Active Chemistry Questions

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give struct. of CrO5 ??????????? ...

Which among the following are metamers of molecular formulsA C4 H10 O. 1-- CH3CH2CH2CH2OH 2-- CH3-CH-CH2-CH3 | OH 3-- CH3-CH-CH2-OH | CH3 CH3 | 4-- CH3-C---OH | CH3 5-- CH3-O-CH2CH2CH3 6-- CH3-O-CH-CH3 (Here CH3 is with CH) | ...

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1.what is the setriochemistry associated with the PINACOLE -PINACOLONE rearrangment for the cylic compound 2. explain why the products obtained are diff. for these two compounds( one is cis form while the other is trans form) ...

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A sample of 0.15 of the compound [Pt(NH3)xBry]+z . z Br- , ignited and heated to decomposition produced 0.0502 gm of Pt. a second 0.15 gm sample was dissolved in water and titrated rapidly with 0.01 M AgNO3 solution. 51.50 ml ...

1 gm of a mixture containing equal no. of moles of carbonates of two alkali metals, required 44.40 ml of 0.5 N HCl for complete reaction. The atomic weight of one metal is 7, find the atomic weight of the other. Also calculat ...

Q1) GIVE STRUCT. OF S2O3 ????????? (NOTE : no negative 2- charge of compound) ...

Ques1) The dissociation const of HCN is 5 x 10 -10 . The pH of the soln prepared by mixing 1.5 moles of HCN and 0.15 moles of KCN in water and making up the total volume to 0.5 dm3 is (a) 8.302 (b) 7.303 (c) 10.302 (d)9.302 Q ...

1) The benzyl cation in C6H5CH=CH-COOH is:- (a) Linearly placed w.r.t benzene ring and carboxyl group (b) Triangular shaped (c) Tetrahedral in shape (d) At 90 ° to the plane of benzene ring 2) The dipole moment of vinyl chlo ...

Nitrogen fluoride is more stable than any of Nitrogen chloride and Nitrogen iodide. The last two are unstable and explosive. Why is this so ? ...

Please explain why nitride of Lithium is more stable than nitride of Potassium. ...

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*Image* WICH IS MORE ACIDIC? AND Y??????? ...

8. Pure phosphine is not combustible while impure phosphine is combustible, this combustibility is due to the presence of _______ A. P2H4 B. N2 C. PH5 D. P2O5 9. Hydrolysis of NCl3 indicates A. N- --- Cl+ polatrity B. N+ --- ...

what is the hybridization of Ti in (NH4)2[TiCl6]? i'm getting a very strange answer... d5s [3] plz try it out... ...

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1) A solution of 0.2 gm of a compound containing Cu2+ and C2O42- ions on titration with 0.02 M KMnO4 in the presence of H2SO4 consumes 22.6 ml of the oxidant. The resulting solution is neutralized with Na2CO3, acidified with ...

What is a Lewis Base and how to identify Lewis Base in I3- ? Please explain. ...

I'm not having any sort of problem in organic.. but for having good command over that, I wish to enquire about a book which has good problems to solve.. Arihant is not getting approved by a lot of people here but as the matte ...

What is pπ-dπ back - bonding ? ...

1) Which of the following resonating structures of 1- Methoxy -1,3 -butadiene is least stable (a) H2C - - CH=CH - CH =O + - CH3 (b) H2C = CH2 - - CH2 - CH = O + CH3 (c) H2C - - + CH - CH = CH - O - CH3 (d) H2C = CH - - CH - + ...

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Kalyan's question : heisinberg uncertainity applicable 2 wich one? A.electron B.nucleus C.atom D.any moving object ...

why freshly prepared ferruos sulphate solution is used for NO3- ion test(brown ring test) ...

Calculate the density of diamond from the fact that it has face centered cubic structure with two atoms per lattice point and unit cell edge length of 3.569 angstrom. ...

A graph plotted b/w molar conductivity of NaCl,HCl,NH4OH *Image* identifyA,B,C i have done the identification job A=HCl,B=NaCl,C=NH4OH but wanted to know why slope A and B are diff ????since both NaCL and HCl are 1:1 electrol ...