What is the correct answer?


The limiting radii ratio for the tetrahedral geometry is

A. 0.155

B. 0.444

C. 0.732

D. 0.225

Correct Answer :

D. 0.225

Related Questions

Kinetic theory of gases postulates : In a closed packed structure the pattern ABAB...... represents which one… In the wurtzite structure sulphur atoms have The relation between molecular wt. and vapour density is At a given temperature and pressure 2 volumes of A combine with 5 volumes… Which of the following is an amorphous solid? An open vessel at 37°C is heated until 3/5 of the air in it has been… The molecular weight of a volatile liquid can be determined by Match box has the symmetry of which of the following systems? The temperature at which a real gas obeys the ideal gas laws over a wide… At what temperature, the root mean square velocity of oxygen molecules… An element has atomic weight 24 and equivalent weight 11.9. Its valency… The average kinetic energy of the molecule of SO2 (moL wt. = 64) at 27°C… Vapour density of a gas is 35.5. The volume occupied by 3.55 gm of the… The weight of 11.2 litres of CO2 at S.T.P. would be Number of molecules of carbon dioxide present in 44 gm CO2 is Of the following properties, the magnitude of one must always increase… The number of atoms per unit cell in simple cubic, face centred cubic… Equal weights of methane and hydrogen are mixed in an empty container… According to Avogadro's hypothesis equal volumes of two gases under the… Absolute zero is the temperature at which Which of the following will have low heat of fusion? Correct gas equation is 20 litres of hydrogen gas weighs about What will be the mass of 6.03 x 1023 molecules of carbon monoxide ? In NaCl type structure, the coordination number of the cation and anion… The radii of A+ and X- are 95 pm and 181 pm respectively. Coordination… Three dimensional array of points in space is called The ionic radii of Mg+2  and O-2 are 0.66 A° and 1.40 A°… Indicate the most volatile liquid of the following: