Messages posted by Sagar Saxena

The concentration of a chemical solution refers to the amount ofsolute that is dissolved in a solvent. We normally think of a solute as a solid that is added to a solvent (e.g., adding table salt to water), but the solute could just as easily exist in another phase. For example, if we add a small amount of ethanol to water, then the ethanol is the solute and the water is the solvent. If we add a smaller amount of water to a larger amount of ethanol, then the water could be the solute!

hello

bef2 has sp hybradization,symetrical structure hence 0 dipoe moment.whrereas h20 has 2+2 combination hence non zero dipole moment.

hello

synerzic bonding take place in case of transition metal,hence bond formed are stronger.

hello

it is a bond which is formed by sharing of electrone in such away that only one atom donate it's two electrone.it is different from sigma or pie as in that both atom contibute to sharing of electrone.

hello

yes it produces the electric field but it's magnetute will be very small.

hello

due to large size of cl atom and loan pair repulsion scl6 is not possible.

hello

oxygen is more electronegetive than sulpher,hence it attract electrone pair of o-h bond toward itself and hence bond angel increses.

hello

o2 is less stable than f2 because 02 has two loan pair repulsion whereas f2 has only one loan pair repulsion.

has it is good oxidizing agent than f2.hence it oxidize other compound or atom faster.

HELLO

no2(+) has hybradization sp while no2(-)has sp2,hence bond angel of no2(+) is greater.

hello

a transition metal is thus which form one or more stable ion which has incompletly filled d orbital.copper form cu(+2)ion frequently which has (AR)3D⁹ CONFIGURATION AND HENCE IT IS TRANSITION METAL.

hello

because mn(+2) has half filled d shell,which make it more stable and resistance to oxidation.

hello

because it's ionization is very low in comparization to any other inert gas(except radon).

hello

metalic bond is formed due to delocalized electrone electrostatic attractive forces.now more is the no. of delocalized electrone more the tendency of any atom to form metlic bond.hence in 4d and 5d series have more tendency to form metalic bond as compared to 3d series.

hello,

look at configuration of mn(+2) it is (ar)3d⁵it has five unpaired electrone that's why it is paramagnetic.

hello,

on moving left to right in ist transition series mass continusly increses and size decreses hence density increses.

through in some cases size increses but overall mass/volume ratio always increses.

hello

it is generally found in ortho susbtituted compound ,in which otho group is bulky like cH3,butane etc.in this effect,due to this bulkier group,the main group adjusent to it goes out of plane and it conjucation with ring hampered.

hello

it is a phenomena that is generally found in ortho derivative of aniline.n this effect protonation of nitrogen of aniline is hampered by it's ortho subtituent.let us understand with example of othobutane aniline.

now if H⁺will attack on aniline then it will not be able to attack on nitrogen because of bulky butane ans hence it's protonation is hampered.this is known as s.i.p.

hello

it is a phenomena that is generally found in ortho derivative of aniline.n this effect protonation of nitrogen of aniline is hampered by it's ortho subtituent.let us understand with example of othobutane aniline.

now if H⁺will attack on aniline then it will not be able to attack on nitrogen because of bulky butane ans hence it's protonation is hampered.this is known as s.i.p.

hello

in ko2 o2 is in -1 state.now in case of complex we have to find in which state 02 is.

there is only one possibility +1because 02 can show 0,-1,-2 and +1.now first three are not possible because in complex

outside atom must have positive charge and charge cannot be 0,i.e. it cannot be neutral.

now o2(+) bond order=2.5 (calculated by molecular orbital theory)

02(-) bond order=1.5

hence bond length is 02(-) is larger than 02(+)

ko2>o2[asf4] .....(bond length )

hello

assuming complet charge transfer then dipole moment=(4.8*10^(-10)esu)(10^(-8)cm=4.8D

so %ionic charecter=1.2\4.8 *100=25%ans.

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