1. State true or false
The coordination number of each type of ion in CsCI crystal is 8.
2. State true or false
Fe2+ ion gives blue precipitate with potassium ferricyanide.
3. State true or false
The magnetic quantum number may have a negative value.
4. The standard reduction potential values of three metallic cations, X, Y, Z are 0.52, –3.03 and –1.18V respectively. The order of reducing power of the corresponding metals is:
(A) Y > Z > X (B) X > Y > Z
(C) Z > Y > X (D) Z > X > Y
5. White phosphorus (P4) has :
(A) six P–P single bonds (B) four P–P single bonds
(C) four lone pairs of electrons (D) PPP angle of 60°.