Question

► Answer the following question no. 1 to 5 in short.
[Each question is of 1 mark]
[05]
1). Consider the following species:
N3-, 02-, F, Na+, Mg2+ and Al3+
Arrange them in the order of increasing ionic radii.
2). Assign the period of the element having outer electronic configuration: ns2np4 for
n=3.
3). Predict the formula of the stable binary compound that would be formed by the
combination of the following pair of elements.
Magnesium and nitrogen
4). State the type of PH3 molecule according to the VSEPR theory.
5). Considering x-axis as the internuclear axis which out of the following will not form a
sigma bond?
(a) is and is
(b) is and 2px
(c) 2py and 2py
(d) is and 2s.​

Answer 1

Answer:

a,. hope it's helpful.......