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0265g of an organic compound produced on evaporation 102cm3 of vapour at 373k and 775mmhgpercentage composition of the constituents elements are 9224
what are polyfunctional compoundsexpalin the nomenclature of polyfunctional organic compounds with
what will be the mole fraction of 98 pure h2so4 in 1 liter solution which has density 185gmml at
the electronic configuration of a metal m is 1s2 2s2 2p6 3s1 the formula of its oxides will be1 mo
a covalent bond between two atoms is formed by which of the following 1 electron nuclear attraction 2 electron sharing 3 electron transfer 4
atoms in the water molecule are linked by1 electrovalent bond 2covalent bond 3
among the following which property is commonly exhibited by a covalent compound1 high solubility in water 2
highest covalent character is found ina1 caf2
ionic and covalent bonds are present in1 ccl4
on analysis a certain compound was found to contain iodine and oxygen 254 gm in the ratio of of iodine and 80 gm of oxygen the atomic
the interatomic distances in h2 and cl2 molecules are 74 and 198 pm respectively the bond length of hcl is 1 272
as compared to covalent compounds electrovalent compounds generally have1 low melting points and low boiling points2 low melting points and high
the covalency of nitrogen in hno3 is 1 0 2 3 3
which of the following substances has covalent bonding1 germanium2 sodium chloride3 solid neon4 copperans
the valency of phosphorus in h3 po4 is1 2 2 5 3
the bond between two identical non-metal atoms has a pair of electrons1 unequally shared between the two2 transferred fully from one atom to
a covalent bond is likely to be formed between two elements which1 have similar electronegativities2 have low ionization energies3 have low melting
solid ch4 is1 molecular solid2 ionic solid3 pseudo solid4 does not existans molecular
bond energy of covalent o-h bond in water is1 greater than bond energy of h bond2 equal to bond energy of h bond3 less than bond energy of h
the correct sequence of increasing covalent character is represented by1 licl lt nacl lt
the covalent compound hcl has the ionic character as1 the electronegativity of hydrogen is greater than that of chlorine2 the electronegativity
which is the most covalent 1 c- o which is the most covalent 1 c- o
indicate the nature of bonding in ccl4 and cah21 covalent in ccl4 and electrovalent in cah22 electrovalent in both ccl and
which of the following compounds are covalent1 h2
octet rule is not valid for the molecule1 co2