Among the following, the compound(s) containing no covalent bonds is/are:
KCl, PH3, O2, B2H6, H2SO4
1. KCl, B2H6, PH3
2. KCl, H2SO4
3. KCl
4. KCl, B2H6
The correct statement for the molecule CsI3 is:
1. It contains Cs+ and ions.
2. It contains Cs3+ and I– ions.
3. It contains Cs+, I– and lattice I2 molecule.
4. It is a covalent molecule.