In which of the following pairs the two species are not isostructural?
CO32- and NO3-
PCl+4 and SiCl4
PF5 and BrF5
AlF63- and SF6
C.
PF5 and BrF5
i) CO32- and NO3- = Triangular Planar (sp2)
ii) PCl+4 and SiCl4 = Tetrahedral (sp3)
iii) PF5 and BrF5 = Tetrahedral (sp3)
iv) AlF63- and SF6 = sp3d2 hybridized, octahedral
Two elements A and B have the electronic configuration as:
A = 1s22s22p63s2 and B = 1s22s22p5
Write the empirical formula of the substance containing A and B.
What type of bonding would you expect between:
(i) a metal and a non-metal
(ii) a non-metal and another non-metal?
Give reasons in one or two sentences for the observation that in their compounds non-metals form anions and not cations.
Out of Na and K, which will form a more stable ionic bond?
Which will have a greater lattice enthalpy: NaCl or MgO?
Is a covalent molecule always formed between two similar atoms?
Why sodium chloride is a solid whereas carbon tetrachloride is a liquid?
Why NaCl gives a white percipitate with AgNO3 solution but CCl4 does not?
Mock Test Series
