Recently Active Chemistry Questions

Why does bond angle decrease from from NH3 to PH3? ...

At high pressure eqn is P(V-nb)=nRT naa ??? At low presure eqn is (P+n2a/V2)V=nRT ?? what is eqn when force(attraction) is neglible ??? ...

Q1 Is HF dibasic acid ? Q2 Arrange Cl2,Br2,F2,I2 in dec. oxidising power Q3 Oxalic acid +conc.H2SO4 → ?? ...

F- has has greater size than Ne True/false I think its true but my book says Ne Verify my answer. ...

I came across a question wich was as follows : *Image* Now the product given in the ans is *Image* I agree that there is no problem in this answer BUTTTTTTTTTTTTT wats wrong in the product that i m putting forward???? It has ...

What is the exact relationship between equivalent conductivity(Λ) and concentration? Is the relation Λ= κ/C valid at infinite dilution.... but then κ∞=CΛ∞=0xΛ∞=0... And another thing what will be the graph of Λ v ...

Consider the following compound A (below) : - *Image* Select the correct statement(s) : (a) It is more acidic than CH3 OH (b) It is more acidic than CH3 COOH (c) It reacts fastest with Lucas reagent (d)It is a dibasic acid ...

1)Structure of H2S205 plzz? Does it have S-S bomd ...

1.16 g CH3(CH2)nCOOH was burnt in excess air & the resultant gases ( CO2 & H2O )were passed thru excess NaOH solution . The resulting solution is divided into 2 equal parts.One part required 50 mL of 1 N Hcl for neutralizatio ...

i was just goin hrough ncert when i came across the fact "basicity in group 5 decreases down the grup......while reducing tendency increses ....now how is it possible... reducing tendency increases means it will it self oxidi ...

The ideal gas model assumes that there are no interactions between gas particles. Particles in a real gas do interact through a range of forces such as dipole–dipole forces, dipole–induced– dipole forces, and van der Wa ...

Equivalent conductance=Λ= κ/C of a C normal solution, so am I right in presuming that κ=CΛ is the equivalent CONDUCTIVITY? If so , we have to plot κ vs C of a strong electrolyte I tried to proceed as follows : Λ=Λ0- b ...

Which of the following are state functions? (A)Internal Energy (B)Composition (C)Pressure (D)Temparature (E)Vo;ume (F)Work ...

Which of the following statements is correct about the conduction of electricity in pure crystal of Si at room temparature? (A)The conduction is due to the holes formed from the release of electrons (B)The conduction is due t ...

Here are a few questions from fiitjee RSM whose answers i would like to verify as i am not too sure about them: Single option correct: 1. extraction of Zn from Zns is done by a)electrolytic reduction b)roasting followed by re ...

10 ml saturated solution of Na2SO4 gives .233gm of whit ppt of barium sulphateon reaction with barium chloride.wht is solubility of sodium sulphate ...

BOIling point f benzene is 80* C....wht is latent heat of vaporization if 1 molal solution of a non-electrolyte in benzene boils at 85.12*C...express result in KJ/mol ...

http://gravityandlevity.wordpress.com/2009/05/02/when-nature-plays-skee-ball-the-meaning-of-free-energy/ ...

Calculate the vapour pressure of solution having 3.42 g cane sugar in 180 g of water at 40 °C and 100 °C .Given that boiling point of water is 100 °C and heat of vaporization is 10 Kcalmol-1 in the given temperature range. ...

A balloon of diameter 20 meter weighs 100 Kg.Calculate its pay load , if it is filled with He at 1.0 atm and 27 °C. Density of air is 1.2 Kgm-3. [R=0.082 dm3 atm K-1 mol-1 ] ...

Some simple suitable ones for practice- 1) Which of the following cannot form Grignard Reagent ? a) CH3CH2Br b) CH2=CHBr c) HC≡CCH2Br d) CH2=CHCH2Br 2)CH3CH2Br ---(NH3)---> CH3CH2NH2 (Given 2b true), Hence.. *Image* What ...

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MORE THAN ONE OR ONE 1) For a first order reaction(with a single reactant) the concept of half life (t1/2 = 0.693/k) fails when the reacting molecules are less.Based on this which of the following statements is appropriate? ( ...

An engineer claims to have developed an engine which develops 3.4 kW while consuming 0.44 Kg of fuel of calorific value of calorific value of 41870 kJ / kg in one hour. The maximum and minimum temperatures recorded in the cyc ...

Q1 Change in vol delta V on mixing acetic acid (A) and benzene (B) is plotted against %benzene *Image* a)A-B bon dweaker than either A-A bond or B-B bond b)A-A bond is weaker than B_B bond c)B-B bond is weaker than A-A bond d ...

Very simple problem. 75.2 g of phenol is dissolved in solvent of Kf = 14, if the depression in freezing point is 7 K. What is the % of phenol ? ...

Structures of (SiH3)3N and (CH3)3N are the different - Why? ...

why the reaction 194 0 194 Au + e -------> Pt 79 -1 78 is called K electron capture????????? ...

Can anyone please explain the following processes for manufacture of steel in simple lines. [1] (1) Bessemer Process (2) Open Hearth Process (3) L.D. Process ...

1) Among the following, the one having highest enthalpy of hydration is - a)H+ b)Li+ c)Be 2+ d)Al 3+ 2) For the balanced redox reac.n - aNO3- + bAs2S3 +4H2O -------> xAsO4-3 + yNO + z3SO4 2- + 8H+ Identify the Incorrect st ...