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Test: Hydrogen Bonding (NCERT)


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10 Questions MCQ Test Chemistry Class 11 | Test: Hydrogen Bonding (NCERT)

Test: Hydrogen Bonding (NCERT) for NEET 2023 is part of Chemistry Class 11 preparation. The Test: Hydrogen Bonding (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Hydrogen Bonding (NCERT) MCQs are made for NEET 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Hydrogen Bonding (NCERT) below.
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Test: Hydrogen Bonding (NCERT) - Question 1

Which of the following compounds shows maximum hydrogen bonding?

Detailed Solution for Test: Hydrogen Bonding (NCERT) - Question 1

Greater the electro negativity and smaller the size of the atom, stronger is the H-bond

Test: Hydrogen Bonding (NCERT) - Question 2

Hydrogen bond between two atoms is formed due to

Detailed Solution for Test: Hydrogen Bonding (NCERT) - Question 2

Hydrogen bonding occurs when H atom is linked to an electronegative atom like F, O or N. It is the force of attraction between small positive charge developed on H atom and small negative charge developed on electronegative atom due to displacement of electrons towards more electronegative atom.

Test: Hydrogen Bonding (NCERT) - Question 3

Which of the following statements is true about hydrogen bonding?

Detailed Solution for Test: Hydrogen Bonding (NCERT) - Question 3

For hydrogen bonding, the size of the atom should be small.

Test: Hydrogen Bonding (NCERT) - Question 4

Which of the following has strongest bond?

Detailed Solution for Test: Hydrogen Bonding (NCERT) - Question 4

Due to largest difference in electronegativity, H—F bond is strongest.

Test: Hydrogen Bonding (NCERT) - Question 5

Which of the following observations can be explained on the basis of hydrogen bonding?
(i) H—F has higher boiling point than other halogen acids.
(ii) H2O has highest boiling point among hydrides of group 16 elements.
(iii) NH3 has lower boiling point than PH3.

Detailed Solution for Test: Hydrogen Bonding (NCERT) - Question 5

Statement (iii) is not true since NH3 has higher boiling point than PH3 due to hydrogen bonding.

Test: Hydrogen Bonding (NCERT) - Question 6

Paramagnetism is shown by the molecules which have

Detailed Solution for Test: Hydrogen Bonding (NCERT) - Question 6

Presence of unpaired electrons makes a
molecule paramagnetic. More the number of unpaired electrons, higher is the paramagnetism.

Test: Hydrogen Bonding (NCERT) - Question 7

Though covalent in nature, methanol is soluble in water, why?

Detailed Solution for Test: Hydrogen Bonding (NCERT) - Question 7

In methanol, R is —CH3 group.

Hydrogen bonding between methanol and water.

Test: Hydrogen Bonding (NCERT) - Question 8

The ice floats on water because

Detailed Solution for Test: Hydrogen Bonding (NCERT) - Question 8

Density of ice is less than water due to an open cage structure formed by hydrogen bonding.

Test: Hydrogen Bonding (NCERT) - Question 9

Which of the following molecules shows intramolecular hydrogen bonding?

Detailed Solution for Test: Hydrogen Bonding (NCERT) - Question 9

Test: Hydrogen Bonding (NCERT) - Question 10

Which of the following statements is not true?

Detailed Solution for Test: Hydrogen Bonding (NCERT) - Question 10

Intramolecular hydrogen bonds are formed within the same molecule.

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