Recently Active Physical Chemistry Questions

We know that for any gas, the volume as well as the pressure of the gas is directly proportional to temperature, so accordingly they should also be proportional to each other. But in reality, the exactly opposite thing happen ...

1)The nodal plane in the Î bond of ethene is located in :- i) Molecular plane ii)Plane parallel to molecular plane iii) plane parallel to molecular plane and bisecting C-C sigma bond at rt. angles iv)Plane perpendicular to mo ...

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

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 ...

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

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. ...

What is pπ-dπ back - bonding ? ...

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

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 ...

100 ml of buffer of 1M NH# and 1M NH4+ are placed in 2 voltaic cells separately.A 1.5A current is passed through both cells for 20min.If electrolyssi of water takes palce.. 2H20 +O2 +4e →4OH- ---------(RHS) 2H2O→4H++O2+4e ...

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Ques1) 50 ml of a weak monobasic acid (HA) requires 21 ml 0.2 M NaOH for complete equivalence. If pH of sol n upon addition of 7 mL of this alkali to 25 mL of the above soln of HA is 5.8 , then the pKa of the acid is (a) 6.1 ...

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ans q1 ...

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The d-orbital participating in sp3d hybdn. is ??? Pls explain..... ...

\Delta G=\Delta H -T\Delta S\ and \Delta \ G=\Delta H +T[\frac {d(\Delta G)}{dT}]_P then find (\frac {dE_{cell}}{dT})= ?? ...

can anyone tell me how to find out if a molecular orbital has nodal plane or not pls ...

wht is pinacol pinacolone??? ...

IN THE NUCLEUS OF AN ATOM THE PROTONS ARE POSETIVELY CHARGED & NEUTRONS ARE NEUTRAL,SO HOW COME IS THE NUCLEUS SO STABLE?DONT THE +IVELY CHARGED PROTONS REPEL EACH OTHER. ...

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CH3Cl>CH3F>CH3Br OR CH3F>CH3Cl>CH3Br ...

Are NH2- and BeF2 isostructural? ...

A0.1M solution of NaCl is found to be isotonic with 1% urea solution.Find (1)van't Hoff's factor and (2)degree of ionization of NaCl. ...

according to bohr n others an e doesnt fall into nucleus as inward coulombic force is balanced by outward centrifugal force.Still a huge amount of attractive do exist between the nucleus and electron....the e is saved from fa ...