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which of the following compounds is ionic1 kl 2
the interionic attraction depends on interaction of1
which one is the strongest bond1 br- f 2
atoms or group of atoms which are electrically charged are known 1
bond formed in crystal by anion and cation is1 ionic 2 metallic 3 covalent 4 dipoleans
an atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is1 11 2
which type of bonding exists in li2o and caf2 respectively 1 ionic
which of the following is least ionic1 c2 h5 cl
two element have electronegativity of 12 and 30 bond formed between them would be1 ionic2 polar covalent 3 co-ordinate4 metallica ns
an element x with the electronic configuration 1s2 2s2 2p6 3s2 would be expected to form the chloride with the formula1 xcl3
what is the effect of more electronegative atom on the strength of ionic bond1 decreases2 increase3 decreases slowly4 remains the sameans
highest melting point would be of1 he 2 cscl 3 nh3 4 chcl3ans
ionic compounds do not have1 hard and brittle nature2 high melting and boiling point3 directional properties4 soluble in polar solventsans
need to know common methods of preparing acetonepropanone need to include chemical equation for reaction that produces that
electrovalent compounds are1 good conductor of electricity2 polar in nature3 low mp and low bp4 easily availableans polar in
ionic bonds are usually formed by combination of elements with which type of ionisation potential or electron
the main reaction during electrovalent bond formation is1 redox reaction2 substitution reaction 3 addition reaction4 elimination reactionans redox
out of the following which compound will have electrovalent bonding 1
the high melting point and insolubility in organic solvents of sulphanilic acid are due to its structure1 simple
which of the following halides has maximum melting point1 nacl 2
which of the following is least soluble1 bef2
among the bonds formed by a chlorine atom with atoms of hydrogen chlorine sodium and carbon the strongest bond is formed between 1 h- cl
chemical formula for calcium pyrophosphate is ca2 p2o1 the formula for ferric pyrophosphate will be1
what metals combine with non-metals the metal atom tends to1 lose electrons 2 gain electrons 3 remain electrically neutral 4 none of
an ionic compound is generally a 1 good electrolyte2weak electrolyte3 non-electrolyte4 neutralans good