JEE Main 2023 (Online) 30th January Morning Shift | Chemical Bonding & Molecular Structure Question 23 | Chemistry

JEE Main 2023 (Online) 30th January Morning Shift

MCQ (Single Correct Answer)

-1

Match List I with List II

	List I (molecules/ions)		List II (No. of lone pairs of e$$^-$$ on central atom)
A.	$$\mathrm{IF_7}$$	I.	Three
B.	$$\mathrm{ICl}$$$$_4^ - $$	II.	One
C.	$$\mathrm{XeF_6}$$	III.	Two
D.	$$\mathrm{XeF_2}$$	IV.	Zero

Choose the correct answer from the options given below :

A - II, B - I, C - IV, D - III

A - IV, B - I, C - II, D - III

A - IV, B - III, C - II, D - I

A - II, B - III, C - IV, D - I

JEE Main 2023 (Online) 29th January Evening Shift

MCQ (Single Correct Answer)

-1

According to MO theory the bond orders for $$\mathrm{O}$$$$_2^{2 - }$$, $$\mathrm{CO}$$ and $$\mathrm{NO^+}$$ respectively, are

1, 3 and 3

2, 3 and 3

1, 2 and 3

1, 3 and 2

JEE Main 2023 (Online) 29th January Morning Shift

MCQ (Single Correct Answer)

-1

The magnetic behaviour of $$\mathrm{Li_2O,Na_2O_2}$$ and $$\mathrm{KO_2}$$, respectively, are :

paramagnetic, paramagnetic and diamagnetic

paramagnetic, diamagnetic and paramagnetic

diamagnetic, paramagnetic and diamagnetic

diamagnetic, diamagnetic and paramagnetic

JEE Main 2023 (Online) 29th January Morning Shift

MCQ (Single Correct Answer)

-1

The bond dissociation energy is highest for

Cl$$_2$$

I$$_2$$

Br$$_2$$

F$$_2$$

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