Match the following columns and choose the correct option from the codes given below.
Column – I (Element) Column – II (Element) (Density/g cm^-3 at 298K)
a) Ga i) 11.85
b) In ii) 5.90
c) Al iii) 2.70
d) B iv) 7.31
e) TI v) 2.35
(a) (b) (c ) (d) (e)
(1) ii iv iii v i
(2) iii v i iv ii
(3) ii v iv i iii
(4) i iv iii ii v

Moderate

Solution

density increases down the group as atomic mass increases.
Hence a–ii, b–iv, c–iii, d–v, e–i

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	Column – I (Element)		Column – II (Element) (Density/g cm^-3 at 298K)
a)	Ga	i)	11.85
b)	In	ii)	5.90
c)	Al	iii)	2.70
d)	B	iv)	7.31
e)	TI	v)	2.35