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Co-ordinate covalent or ..



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Q1. Which of the following amino acids may or may not be protonated at neutral pH?

(a) Glutamate
(b) Lysine
(c) Histidine
(d) Arginine

Q2. Which of the following is not true?

(a) Steroids are built around a four-ringed hydrocarbon skeleton
(b) Cholesterol, testosterone, progesterone are examples of steroids
(c) Steroids are found in the cell membranes of both plant and animal
(d) Cannot be determined

Q3. Which of the following is true based on the strength of the bond?

(a) Ionic > Covalent > Vanderwaal > Hydrogen
(b) Covalent > Ionic > Vanderwaal > Hydrogen
(c) Covalent > Ionic > Hydrogen > Vanderwaal
(d) Covalent > Ionic > Hydrogen = Vanderwaal

Q4. Atoms or molecules having orbitals containing a single unpaired electron is known as ___________

(a) Captions
(b) Anions
(c) Free radicals
(d) Carbocation

Q5. The electron clouds around the nucleus are of ___________

(a) Spherical shape
(b) Spherical and Dumbbell shape
(c) Spherical and Hexagonal shape
(d) Cannot be determined

Q6. If a bond is made up of a large number of organic compound, then the bond is termed as?

(a) Ionic bond
(b) Metallic bond
(c) Covalent bond
(d) Dipolar bond

Q7. State whether the given statement is true or false ?Ionic bonds are non-directional?.

(a) True
(b) False
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q8. . Which among the following formation is not an example of Covalent bond?

(a) LiF
(b) NH3
(c) CF4
(d) HF

Q9. Which among the following is not a property of Ionic bond?

(a) Losing of electrons
(b) Gain of electrons
(c) Sharing of electrons
(d) Transfer of electrons

Q10. Which among the following chemical bond were described by Kossel and Lewis?

(a) Metallic bond
(b) Polar covalent bond
(c) Coordinate bond
(d) Ionic and Covalent bond


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Modified 246 Year Ago

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494 views

Modified 246 Year Ago

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Severity: Notice

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439 views

Modified 17 Year Ago

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Severity: Notice

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439
17 Year Ago

RbO2 Is

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433 views

Modified 246 Year Ago

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Severity: Notice

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

Filename: views/index.php

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Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
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0 votes
0 Answer
394 views

Modified 246 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
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Function: require_once

0 votes
0 Answer
373 views

Modified 17 Year Ago

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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
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