Match the compounds listed in column-I with the characteristic(s) listed in column-II. Column-IColumn-II(a)BeO (s)(p)Amphoteric in nature(b)NaHCO3 (crystalline)(q)Imparts characteristic colour to Bunsen flame.(c)BeCl2(s)(r)Produce H2O2 and O2 on reaction with water.(d)CsO2(s)(s)Show hydrogen bonding(t)Has a chain structure

Match the compounds listed in column-I with the characteris…

Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) General Single Correct MCQ

Published on: August 14, 2026

Match the compounds listed in column-I with the characteristic(s) listed in column-II.

	Column-I		Column-II
(a)	BeO (s)	(p)	Amphoteric in nature
(b)	NaHCO3 (crystalline)	(q)	Imparts characteristic colour to Bunsen flame.
(c)	BeCl2(s)	(r)	Produce H2O2 and O2 on reaction with water.
(d)	CsO2(s)	(s)	Show hydrogen bonding
		(t)	Has a chain structure

Verified by Experts

The correct answer is:

(A – p) ; (B – p, q, s, t) ; (C – t) ; (D – q, r)

Sol. BeO is amphoteric in nature becuase it reacts with acid as well as base.

Hydrogen bonding ; HCO 3 – ions are linked into an infinite chain through H-bonding.

2CsO 2 + 2H 2 O 2Cs + + 2OH – + H 2 O 2 + O 2

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