NEET 2022 Phase 2 | s-Block Elements Question 7 | Chemistry

This chapter is currently out of syllabus

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

Out of Syllabus

Which one of the following is not a calcination reaction?

CaCO₃ + 2HCl $$\buildrel \Delta \over \longrightarrow $$ CaCl₂ + H₂O + CO₂

ZnCO₃ $$\buildrel \Delta \over \longrightarrow $$ ZnO + CO₂

Fe₂O₃ . xH₂O $$\buildrel \Delta \over \longrightarrow $$ Fe₂O₃ + xH₂O

CaCO₃ . MgCO₃ $$\buildrel \Delta \over \longrightarrow $$ CaO + MgO + 2CO₂

NEET 2022 Phase 1

MCQ (Single Correct Answer)

-1

Out of Syllabus

Identify the incorrect statement from the following

Alkali metals react with water to form their hydroxides.

The oxidation number of K in KO₂ is +4.

Ionisation enthalpy of alkali metals decreases from top to bottom in the group.

Lithium is the strongest reducing agent among the alkali metals.

NEET 2022 Phase 1

MCQ (Single Correct Answer)

-1

Out of Syllabus

Match List - I with List - II

	List - I		List - II
(a)	Li	(i)	absorbent for carbon dioxide
(b)	Na	(ii)	electrochemical cells
(c)	KOH	(iii)	coolant in fast breeder reactors
(d)	Cs	(iv)	photoelectric cell

Choose the correct answer from the options given below :

(a) - (iv), (b) - (i), (c) - (iii), (d) - (ii)

(a) - (iii), (b) - (iv), (c) - (ii), (d) - (i)

(a) - (i), (b) - (iii), (c) - (iv), (d) - (ii)

(a) - (ii), (b) - (iii), (c) - (i), (d) - (iv)

NEET 2021

MCQ (Single Correct Answer)

-1

Out of Syllabus

Among the following alkaline earth metal halides, one which is covalent and soluble in organic solvents is :

Beryllium chloride

Calcium chloride

Strontium chloride

Magnesium chloride

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