33% OFF
ExamGOAL
MOST RELEVANT

JEE Main Ultimate Online Test Series - 2027

458 Tests
10,140 Questions
English & Hindi (हिन्दी) Languages
331 Topic Tests87 Chapter Tests30 Full Tests10 Part Tests
  • Most Relevant Questions for JEE Main 2027
  • JEE Main Predictive Percentile and Rank
  • Best Solution to Every Question
  • Very Detailed Analysis
₹999 ₹1,499
Save ₹500
Access valid till 31 May 2027
Check Out
1
JEE Main 2022 (Online) 26th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Consider the ions/molecule

O$$_2^ + $$, O2, O$$_2^ - $$, O$$_2^ {2-} $$

For increasing bond order the correct option is :

A
O$$_2^ {2-} $$ < O$$_2^ - $$ < O2 < O$$_2^ + $$
B
O$$_2^ - $$ < O$$_2^ {2-} $$ < O2 < O$$_2^ + $$
C
O$$_2^ - $$ < O$$_2^ {2-} $$ < O$$_2^ + $$ < O2
D
O$$_2^ - $$ < O$$_2^ + $$ < O$$_2^ {2-} $$ < O2
2
JEE Main 2022 (Online) 25th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Bonding in which of the following diatomic molecule(s) become(s) stronger, on the basis of MO Theory, by removal of an electron?

(A) NO

(B) N2

(C) O2

(D) C2

(E) B2

Choose the most appropriate answer from the options given below :

A
(A), (B), (C) only
B
(B), (C), (E) only
C
(A), (C) only
D
(D) only
3
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
4
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
$${N_2}^{2 - }$$ < $${C_2}^{2 - }$$ < $${O_2}^{2 - }$$

JEE Main Subjects

Browse all chapters by subject