Sodium metal crystallizes in a body centred cubic lattice with a unit cell edge of 4.29 Å. The radius of sodium atom is approximately :
Connecting you to a tutor in 60 seconds.
Get answers to your doubts.
Which among the following is the most reactive ?
The following reaction is performed at 298 K. 2NO(g)+O2(g)⇔2NO2(g) The standard free energy of formation of NO(g) is 86.6 kJ/mol at 298 K. What is the standard free energy of formation of NO2(g) at 298 K ? (KP=1.6×1012)
The normal to the curve, x2+2xy−3y2=0,at(1,1):
Which one of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice enthalpy ?
Let [ϵ0] denote the dimensional formula of the permittivity of vacuum. If M = mass, L = length, T = time and A = electric current, then:
From the following statements regarding H2O2, choose the incorrect statement :
Stability of the species Li2,Li2−andLi2+ increases in the order of:
The sum of first 9 terms of the series 113+1+313+23+1+2+313+23+33+.....is