JEE Main 2021 (Online) 27th August Morning Shift | Chemical Bonding & Molecular Structure Question 73 | Chemistry

JEE Main 2021 (Online) 27th August Morning Shift

MCQ (Single Correct Answer)

-1

Match items of List-I with those of List-II :

	List - I (Property)		List - II (Example)
(a)	Diamagnetism	(i)	MnO
(b)	Ferrimagnetism	(ii)	$${O_2}$$
(c)	Paramagnetism	(iii)	NaCl
(d)	Antiferromagnetism	(iv)	$$F{e_3}{O_4}$$

Choose the most appropriate answer from the options given below :

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

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

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

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

JEE Main 2021 (Online) 26th August Evening Shift

MCQ (Single Correct Answer)

-1

The bond order and magnetic behaviour of $$O_2^ - $$ ion are respectively :

1.5 and paramagnetic

1.5 and diamagnetic

2 and diamagnetic

1 and paramagnetic

JEE Main 2021 (Online) 25th July Evening Shift

MCQ (Single Correct Answer)

-1

In the following the correct bond order sequence is :

$$O_2^{2 - } > O_2^ + > O_2^ - > {O_2}$$

$$O_2^ + > O_2^ - > O_2^{2 - } > {O_2}$$

$$O_2^ + > {O_2} > O_2^ - > O_2^{2 - }$$

$${O_2} > O_2^ - > O_2^{2 - } > O_2^ + $$

JEE Main 2021 (Online) 25th July Evening Shift

MCQ (Single Correct Answer)

-1

Identify the species having one $$\pi$$-bond and maximum number of canonical forms from the following :

SO₃

O₂

SO₂

CO$$_3^{2 - }$$

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