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1
JEE Main 2022 (Online) 25th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Number of electron deficient molecules among the following

PH3, B2H6, CCl4, NH3, LiH and BCl3 is

A
0
B
1
C
2
D
3
2
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct order of bond orders of $${C_2}^{2 - }$$, $${N_2}^{2 - }$$ and $${O_2}^{2 - }$$

is, respectively
A
$${C_2}^{2 - }$$ < $${N_2}^{2 - }$$ < $${O_2}^{2 - }$$
B
$${O_2}^{2 - }$$ < $${N_2}^{2 - }$$ < $${C_2}^{2 - }$$
C
$${C_2}^{2 - }$$ < $${O_2}^{2 - }$$ < $${N_2}^{2 - }$$
D
$${N_2}^{2 - }$$ < $${C_2}^{2 - }$$ < $${O_2}^{2 - }$$
3
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Number of paramagnetic oxides among the following given oxides is ____________.

Li2O, CaO, Na2O2, KO2, MgO and K2O
A
1
B
2
C
3
D
0
4
JEE Main 2021 (Online) 27th August Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Match List - I with List - II :

JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Chemical Bonding & Molecular Structure Question 118 English
Choose the most appropriate answer from the options given below :
A
(a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
B
(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
C
(a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
D
(a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
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