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in ion estimation why we have to change the oxidation state of the fe3 ionans because if iron is in 3 oxidation state it will be morestable then we
isnt there any relation to calculate the dipole moment from the electronegativities of the participating atomssolution
sin cot-1 cos tan -1xtan-1 x a gt tan a xsec a radic1x2 gt cos a 1radic1x2 so a cos-11radic1x2sin cot-1 cos tan -1x
no the parallel lines do not meet at infinity because the parallel lines never intersect each other even at infinityif the intersect then it is
net force acting on particle of mass 2 kg is 10n in north directionat to particle was moving eastwards with 10ms find displacement and velocity of
a man is known to speak truth 3 out of 4 timeshe throws adie and reports it is a six find the probability that it is actually a sixsolution
al is used as reducing agent for the extraction of metals such as chromiummonganesexplain whysolution al3 3 e- lt----gt algood reducing agents like
limit 0 to 23x22 solution integrate 3x2 to x3 and 2 to 2x and apply the limit from 0 to 2answer is 12
with suitable examples explain how a polar molecule could induce polarity to a nearby nonpolar moleculeans throughinduction the positive part of the
according to uncertainity stationary orbits are accepted or notplease give reasonans according to uncertainity stationary orbits are not accepted
it is a part of chemistry which deals with the organic compounds formed by carbon hydrogen
1first find the maximum number of carbons chaingive it to as a parent name2next find functional groups and give numberingfunctional group must get
why is zinc is not extracted from zinc oxide through reduction with cosolution reducing agent should have more negative deltag value in case of zinc
molecule in itself is electrically stable so it cant act as ligand so that it can acts as the negative and pasitive
find amplitude of electric field ina parallel beam of light of intensity 2wm2ansgiven that intensity ipowerarea2wm2by using this formula intensity
one coin is thrown upword from 100m top building with velocity 15ms 2s later 2nd coin is dropped downword at what distance from top of building 2nd
an electron is in a box of width 310-10mwhat are de broglies wavlength and magnitude of momentum of the electron if it is inan1 level bn2 level cn3
the mineral pyrite or iron pyrite is an iron sulfide with the formula fes2 this minerals metallic luster and pale brass-yellow hue have earned it the
the isomerim exhibited by the compounds having the same molucular formula but they having different functional groups is called functional group
in and ap 123456789111213141516171819 and like that nonzzero digit find tnsolution first break the n number in terms of 10s power for eg if n3259
in crystallography water of crystallization or water of hydration or crystallization water is water that occurs in crystals water of crystallization
delocalisation of electrons in conjugated system is called resonance for example there is delocalisation of electrons in benzene hence we write
due to drift velocity of electrons and due to collision of
how many octahedral and tetrahedral voids are present in hcpans octa -no of atoms prsnt nd tetra -twice of it
yfax and fsinxlnx find dydx solution dydx axlnxfax 1but fsinx lnx implies fx lnarcsinxhence fx 1arcsinx 1 1-x2 2 implies fax