Discussion
Hydrogen bonds are present in water structure. Presence of hydrogen bonds gives a characteristic property to water, which is :
Answer: A
Hydrogen bonding gives water high melting and high boiling points.
Each water molecule can form up to four hydrogen bonds with its neighbours. Extra energy is needed to break this network, so water melts at 0°C and boils at 100°C, far higher than the hydrides of its neighbours in the periodic table: H2S, with a heavier molecule but weak hydrogen bonding, boils at about -60°C.
Hydrogen bonding raises both transition temperatures together, because both melting and boiling require hydrogen bonds to be broken. So the options pairing a high value with a low one, or giving low values for both, run against the effect.
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development