Reading
Language and writing
Essay
Mathematics
Physics
Chemistry
Mathematics
Biology
Other Resources
  • Other Resources Topics
Physics
Chemistry
Mathematics
Physics
Chemistry
Biology
Sample Papers
PastYear Papers
NEET Chapterwise Weightage
  • NEET Chapterwise Weightage Topics
NEET Syllabus
Answer key
IB DP Physics (HL & SL)
IB DP Chemistry (HL & SL)
IB Preparation Books (MYP & DP)
Class 12th PCM
Class 12th PCB
Class 11th PCM
Class 11th PCB
Class 10th
Class 9th
Class 8th
Class 7th
Class 6th

Molecular orbital theory



Post Your Question

Maximum Characters:

Post as a guest

I agree to terms and conditions, privacy policy and cookies policy of TestprepKart by submitting question here.

Q1. Choose the incorrect statement from the following options.

(a) In bonding molecular orbital, electron density is low in the region between the nuclei of bonded atoms
(b) The energy of antibonding molecular orbital is higher than that of atomic orbitals from which it is formed
(c) Every electron in bonding molecular orbital contributes toward stability of the molecule
(d) Antibonding takes place when lobes of atomic orbitals have different signs

Q2. According to Molecular Orbital Theory, the shape and size of a molecular orbital depends upon _________

(a) Shape and size of the combining atomic orbitals
(b) Numbers of the combining atomic orbitals
(c) Orientation of the combining atomic orbitals
(d) All of the mentioned

Q3. (?1s) < (?*1s) < (?2s) < (?*2s) < [(?2py)(?2pz)] < (? 2px) < [(?*2py)(?*2pz)] < (?*2px)

(a)
(b)
(c)
(d)

Q4. The relative energies of molecular orbitals in increasing order have been found to be as follows.

(a) For O2 to Ne2
(b) For H2 to N2
(c) For H2 to Ne2
(d) For N2 to Ne2

Q5. Which of the following molecule does not exist due to its zero bond order?

(a) H2+
(b) He2+
(c) He2
(d) H2?

Q6. On the basis of molecular orbital theory, select the most appropriate option.

(a) The bond order of O2 is 2.5 and it is paramagnetic
(b) The bond order of O2 is 1.5 and it is paramagnetic
(c) The bond order of O2 is 2 and it is diamagnetic
(d) The bond order of O2 is 2 and it is paramagnetic

Q7. Arrange the following molecules in the order of increasing stability.

(a) N2+ < N2 < N2? < N22-
(b) N22- < N2? < N2 < N2+
(c) N22- < N2? = N2+ < N2
(d) N2 < N2+ = N2? < N22-

Q8. Arrange the following molecules in decreasing bond length.

(a) O2 > O2? > O2+ > O22-
(b) O22- > O2? > O2 > O2+
(c) O22- > O2? > O2+ > O2
(d) O2? > O2+ > O22- > O2

Q9. Bond Order of O2, F2, N2 respectively are __________

(a) +1, +2, +3
(b) +2, +3, +1
(c) +2, +1, +3
(d) +3, +2, +1

Q10. The filling of molecular orbital takes place according to __________

(a) The Aufbau Principle
(b) Pauli Exclusion Principle
(c) Hund?s rule of maximum multiplicity
(d) All of the mentioned

Q11. If the sign of the wave function is unchanged when the orbital is reflected about its centre, the orbital is ______________

(a) Gerade
(b) Ungerade
(c) Gerade as well as Ungerade
(d) None of the mentioned


0 votes
0 Answer
513 views

The Molecular Formula Of Chloride Of A Metal M Is MCL3. The Formula Of Its Carbonate Would Be

Modified 238 Year Ago

A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'name' of non-object

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

513
238 Year Ago

The Molecular Formula Of Chloride Of A Metal M Is MCL3. The Formula Of Its Carbonate Would Be

0 votes
0 Answer
491 views

Chemical Formula For Calcium Pyrophosphate Is Ca2P2O7. The Formula For Ferric Pyrophosphate Will Be

Modified 238 Year Ago

A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'name' of non-object

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

491
238 Year Ago

Chemical Formula For Calcium Pyrophosphate Is Ca2P2O7. The Formula For Ferric Pyrophosphate Will Be

0 votes
0 Answer
437 views

RbO2 Is

Modified 9 Year Ago

A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'name' of non-object

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

437
9 Year Ago

RbO2 Is

0 votes
0 Answer
429 views

Formula Of A Metallic Oxide Is MO. The Formula Of Its Phosphate Will Be

Modified 238 Year Ago

A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'name' of non-object

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

429
238 Year Ago

Formula Of A Metallic Oxide Is MO. The Formula Of Its Phosphate Will Be

0 votes
0 Answer
390 views

Magnesium Reacts With An Element (X) To Form An Ionic Compound. If The Ground State Electronic Configuration Of (X) Is 1s2 2s2 2p3, The Simplest Formula For This Compound Is

Modified 238 Year Ago

A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'name' of non-object

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

390
238 Year Ago

Magnesium Reacts With An Element (X) To Form An Ionic Compound. If The Ground State Electronic Configuration Of (X) Is 1s2 2s2 2p3, The Simplest Formula For This Compound Is

0 votes
0 Answer
377 views

The Calculated Bond Order In O2 -ion Is

Modified 9 Year Ago Rachit

377
Rachit
9 Year Ago

The Calculated Bond Order In O2 -ion Is

0 votes
0 Answer
370 views

Which Of The Following Is Paramagnetic With Bond Order 0.5?

Modified 9 Year Ago

A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'name' of non-object

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

370
9 Year Ago

Which Of The Following Is Paramagnetic With Bond Order 0.5?

JEE Coaching Classes

Coaching classes for Physics, Chemistry and Maths...
Trusted By NRIs in UAE, Saudi, Oman, Qatar...

Get Free JEE Analysis Session

JEE Blogs

Get recent JEE News & Updates

JEE Admission

Admission counseling targeting India & US

JEE Community

Browse through thousands of JEE Questions asked by visitors and replied.

Contribute to existing questions or ASK YOURS
TestprepKart

TestprepKart [Answers] is a global answer platform for all students, teachers and contributors to help community grow and share knowledge. TestprepKart [Answers] is primarily focused on School Exam Preparation, Entrance Exam Preparation, UG Admissions Worldwide. Share your doubts and help others getting their answers is the spirit of TestprepKart [Answers].

Platforms

Menu

India Office: F - 377, Sector 63, Noida, U.P. - India (201301)

UK Office: 1 Locke Close, Harlow CM20 2GW, United Kingdom.

+91 8800 1234 92

+91 0120 - 4525484

[email protected]

WhatsApp Chat

JEE Information

JEE Preparation

JEE Application / Admission

Colleges

© Copyright 2024 www.testprepkart.com

Topics Post Question