Recently Active General Chemistry Questions

Here is some info regarding polymers from wikipedia. 1.Natural rubber: Natural rubber is an elastomer (an elastic hydrocarbon polymer) that was originally derived from a milky colloidal suspension, or latex, found in the sap ...

teh rms velocity of hydrogen is √7 times the rms velocity of nitrogen. If T is the temperature of the gas, T(H2) = T(N2) or T(H2) < T(N2) i am getting that both are equal....but the answer given is the second option p.s. ...

Question 1 *Image* MY ANSWER: C ------------------------------------------------------------------------------------------------ Question 2 *Image* ----------------------------------------------------------------------------- ...

1. WHICH CAN FORM A STABLE HYDRATE A>CYCLOPROPANONE b>HCHO c>HEXAFLUOROACETONE D>CHLORAL(CCL3-CHO) 2. X-->Y..ACTIVATION ENREGY FOR FORWARD AN D BACWARD RXN IS 15 AND 9kJ/mol RESP....P.E. OF X=10kJ/MOL..THEN A)T ...

*Image* (acidic/basic;cationic/anionic) *Image* *Image* *Image* *Image* ...

Q1. When we take high concentration of strong base in a non-ionising solvent, bimolecular mechanism are favoured and predominant mechanism is (a) SN2 (b) E2 (c) AN1Ar (d) E1CB Q2. In the reaction 2-Bromopropane ------> (Na ...

multi answer correct: 1)which of these is true about binary liquid solution showing +ve deviation to raoults law? a)solute-solute interaction is stronger than solute-solvent interaction b)solvent-solvent interaction is strong ...

Give structure of H4P2O5. How to distinguish between Aniline and N-methylaniline? ...

1. write reaction of F2 with water. 2. write the ascending order of boiling pts of H2O,H2S,H2,H2Se,H2Te 3. Is mole fraction constant with change in temperature?if yes,why? 4. what is the promoter in contact process (was there ...

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Q1) Which of the following complexing agents is used for the exact determination of end point of the titration between boric acid and NaOH? (A) EDTA (B) catechol (C) ethylene diamine (D) terpyridine Q2) How many moles of N2 w ...

Q1. Which shows more donor properties: NF3 or PF3? EXPLAIN. Ans PF3..can't find the reason anywhere.. Q2. Give reasons why cation vacancies in some crystals make them good catalysts. Q3. Explain why: (a) TiCl2 is a high melti ...

1. Statement-I : Positive catalysis increases the rate of reactions. Statement-II : Catalyst decreases the value of ΔGº. 2. Statement-I : Conc. HNO3 makes passive. Statement-II : Iron racets with HNO3 to form feric nitrate ...

What is the effect of pressure on melting pt of ice? Shouldnt an increase in pressure increase the melting point? having a great controversy over this!plz answer. ...

Good Obj. Qn(s)... Needed to clarify & verify my answers, 'coz i don't have the list of correct ones. SINGLE ANSWER CORRECT *Image* *Image* MULTIPLE ANSWERS CORRECT *Image* Do post the answers u all got. ...

can someone upload his 11th class chemistry practical work?? ...

1. For the cell ( at 298 K ) Ag(s)| AgCl(s) | Cl- (aq)||AgNo3(aq)|Ag(s) Which of the following is/are correct- (A) The cell emf will be zero when [Ag+] in anodic compartment = [Ag+] in cathodic compartment . (B) The amount of ...

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Just random thoughts coming to my mind... 1) We know tht in CuSO4.5H2O 4water moecules are coordinated n 1 is H-bonded. So when the hydrated salt is heated, initially, one water molecule remains. Is this the H-bonded one ? 2) ...

Ques 1) A body centred cubic lattice is made up of hollow spheres of B. Spheres of Solid A are present in hollow spheres of B. Radius of A is half of radius of B. What is the ratio of the total volume of spheres of B unoccupi ...

You are given the reaction NH2 + 3Cl2 → NCl2 + 3HCl Vol of NH3 required for reacting with a litre of Cl2 will be (a) 9 litres (b) 6 litres (c) 13 litres (d) None ...

i have dbt regarding structures. *Image* ...

what is heterogenius catalysis ???????????????????????? ...

The number of electrons present in 63 mg of HNO3 is 1.92 x 1022 Please explain how ...

Guys why is 5 gram atoms of Nitrogen heavier than 50 grams of Iron ? ...

In the derivation of Schrodinger's wave equation Λ Hφ=Eφ "For a standing wave of wavelength λ whose amplitude at any point x maybe described by a func. f(x) ,it may be shown that d2f(x) = 4π2 f(x) " dx2 λ2 Doubts: > ...

lets discuss it here frends! ...

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iron crystallizes in fcc lattice *Image* ...