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1.
Which of the following transitions involves maximum amount of energy?
2.
Which of the following molecular species has unpaired electron(s)?
3.
The element having lowest 
energy among the following is:
energy among the following is:
4.
Which of the following has largest ionic radius?
5.
Which will not conduct electricity?
6.
The bond order is maximum in:
7.
The isoelectronic species among the following are:
8.
The screening effect of 
-electros is
-electros is
9.
is:
is:
10.
Be and Al exhibit diagonal relationship. Which of the following statement about them is/are not true?
I. Both react with HCl to liberate
II. They are made passive by
III. Their carbides given acetylene on treatment with water
IV. Their oxides are amphoteric
I. Both react with HCl to liberate
II. They are made passive by
III. Their carbides given acetylene on treatment with water
IV. Their oxides are amphoteric