Related InterviewSolutions

• Amongst `LiCl, RbCl, BeCl_2` and `MgCl_2,` the compounds whith the greatrest and the least ionic character respecitely are :A. `LiCl, RbCl`B. `RbCl, BeCl_(2)`C. `RbCl,MgCl_(2)`D. `MgCl_(2),BeCl_(2)`
• Alkaline earth metal salts are:A. paramagneticB. diamagneticC. ferromagneticD. all
• The first ionisation potentials (eV) of `Be` and `B` respectively areA. `8.29,9.32`B. `9.32,9.32`C. `8.29,8.29`D. `9.32,8.29`
• Which of the following has maxiumum ionisation energy ?A. `Ba rarr Ba^(+)+e^(-)`B. `Be rarr Be^(+)+e^(-)`C. `Ca rarr Ca^(2+)+2e^(-)`D. `Mg rarr Mg^(2+)+2e^(-)`
• Alkali metals are characterised byA. good conductor of heat and electricityB. high oxidation potentialsC. high melting pointsD. solubility in liquid ammonia