JEE Main 2021 (Online) 22th July Evening Shift | s-Block Elements Question 72 | Chemistry

	List-I (Elements)		List-II (Properties)
(a)	Ba	(i)	Organic solvent soluble compounds
(b)	Ca	(ii)	Outer electronic configuration $$6{s^2}$$
(c)	Li	(iii)	Oxalate insoluble in water
(d)	Na	(iv)	Formation of very strong monoacidic base

Choose the correct answer from the options given below :

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

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

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

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

JEE Main 2021 (Online) 20th July Morning Shift

MCQ (Single Correct Answer)

-1

Out of Syllabus

The set in which compounds have different nature is :

B(OH)₃ and H₃PO₃

B(OH)₃ and Al(OH)₃

NaOH and Ca(OH)₂

Be(OH)₂ and Al(OH)₃

JEE Main 2021 (Online) 20th July Morning Shift

MCQ (Single Correct Answer)

-1

Out of Syllabus

A s-block element (M) reacts with oxygen to form an oxide of the formula MO₂. The oxide is pale yellow in colour and paramagnetic. The element (M) is :

JEE Main 2021 (Online) 18th March Evening Shift

MCQ (Single Correct Answer)

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Out of Syllabus

Match List - I with List - II :

	List - I		List - II
(a)	Be	(i)	treatment of cancer
(b)	Mg	(ii)	extraction of metals
(c)	Ca	(iii)	incendiary bombs and signals
(d)	Ra	(iv)	windows of X-ray tubes
		(v)	bearings for motor engines