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Basic Lead carbonate is also known as

What is sp mixing , explain in detail, why it does not take place with O and others

Which of the following pairs can be distinguished by Fehling's solution ?

Which halide has the highest boiling point?

Among the dimethylcyclohexanes, which one can be obtained in an enantiopure form?

Catalytic poison in Rosenmund reduction is:

Assuming complete ionisation ,same moles of which of the following compounds will require least amount of acidified KMnO4 for complete oxidation FeSO4 FeSO3 FeC2O4 Fe(NO2)2

why the third ionisation energy of manganese is unexpectedly high?

What is the difference between atomic mass and atomic mass number?

139.18g OF GLUCOSE IS ADDED TO 178.2g OF WATER.THE VAPOUR PRESSURE OF WATER FOR THIS AQUEOUS SOLUTION AT 100^° c i

4.8g of C (diamond) on complete combustion evolves 1584kJ of heat. The standard heat of formation of gaseous carbon is 725 kJ/mol. The energy required for the processi) C(graphite) --> C(gas)ii) C (diamond) --> C(gas) are

If 50 ml of H2 and 30 ml of O2 react to form water vapour final volume of reaction mixthre be

If the weight of metal oxide is x g containing y g ofoxygen, the equivalent weight of metal will be(1) E 8x(3) E-Y80-х)(2)E(4) E 8(x-y)

Theis the unit of measurement for total ozone.

In the given molecule choose the correct order of their angle.

How many moles of magnesium phosphate, Mg3(PO4)2 will contain 0.25 mole of oxygen atoms?

73 Is it possible that at bridge head position free radical is generate ?

1)HCl 2) CH3COOH 3) CH3COONa 4) Rubber 5) Common Salt (m) Strong Electrolyte (n) Weak Electrolyte (o) Non-Electrolyte

A radiation of energy E (E&gt;E0) falls on a metal whose threshold frequency is E0. The Kinetic energy of the emitted electrons is given by:

How will I know if in a given complex the ligand is weak or strong ?If I don't know then I will not be able to split the electrons in the eg and t2g orbital

The freezing point of 0.02 mole fraction of acetic acid in benzene is 277.4K. Acetic acid exists partly as dimmer. Calculate the equilibrium constant for dimerisation. Freezing point of benzene is 278.4 K and heat of fusion of benzene is 10.042 Kj/mol. Assume molarity and molality same.

The first line in the balmer series in tbe hydrogen atom will have the frequency

Define position isomerism along with an example.

if 7.5Pr = 7Pr – 1, then find r.

Which of the following do not represent tautomers?

0.701g of silver salt of a dibasic acid on ignition yeilded 0.497g of metallic silver. what is the molecular weight of acid?

32. Nature of K2CO3 is basic because 1. K+ react with water 2. CO32- react with water 3.k+ and CO32- react with water 4.NONE OF THESE

On monochlorination of 2-methyl butane, the total number of chiral compounds formed is:

Which of these show optical isomerism: 1-bromobutane or 2-bromobutane?

In ethane and cyclohexane which one of the following pairs of conformations are more stable

Rate of diffusion of a gas is proportional :

what are the possible value of m_1for 2p-orbitals

Galena is an ore of

Which one of the following is an incorrect statement for physisorption

Identify the principal organic product of the following reaction:

Identify a molecule which does not exist

19.5g of CH2FCOOHis dissolved in 500 g of water. The depression in the freezing pointof water observed is 1.0°C. Calculate the van’t Hoff factorand dissociation constant of fluoroacetic acid.

Calculate the pH of 10 to the power -5 mole of NaOH?

Which has maximum potential for half cell reaction 2H+ +2e= H2 1 M HCl A solution of ph 4 pure water 1 M NaOH please do explain why the other three options are incorrect also

the ratio of diameters of molecules of the two gases is 3:5 and their mean free path of the molecules is in the ratio of 5:3.then the ratio of number density of the two gases is

dimension of visoscity

82 11.1 mg cacl2 and 9.5 mg Mgcl2 in 10L container. what will be the hardness?

when two half cells of electrode potential of E1 and E2 are combined to form a cell of electrode potential E3 ,then (when n1 ,n2 and n3 are no. of electrons exchanged in first ,second and combined half cells)

Consider the following partially labelled figure for an ideal binary solution of benzene and toluene and answer the following questions:What should be the pressure above which a solution containing 60% (by moles) toluene boils at 25 ∘C?

The auto-reduction process is not used in the metallurgy of

What ar the different types of RNA found in th cell?

The chemical composition of slag formed during the smelting process in the extraction of copper is (IIT-JEE, 2001)

30.Which of the following molecules don't possess permanent electric dipole moment 1. H2S 2.Xe03 3.para OH phenol 4. PCl3F2

47. The unsaturation index of the compound C50H91N3 is Options: 2 6 7 5 solve by making diagram of compound

A radiation of energy E (E>E0) falls on a metal whose threshold frequency is E0. The Kinetic energy of the emitted electrons is given by: