which of the following statements is are not correct about water
Answers
CORRECT QUESTION
Which of the following statements is not correct about water:
1. Hydrogen bonds are present in liquid water
2. Water has a high boiling point
3. Water has a high heat of fusion
4. Water is a nonpolar molecule.
We are provided a few statements about water and we are asked which one out of the statement is not true. The answer will be 4. Water is a nonpolar molecule.
- This is a false statement because Water is a polar molecule.
- Even though the overall charge of the molecule is neutral, it still contains two positively charged hydrogens ( +1 each) on one side and negatively charged oxygen ( -2) at the other end.
- So in this way, it consists of two poles.
- Due to this property, the water molecules are attracted weakly to other water molecules and this results in the cohesion of water to itself.
- An example to understand this fact is that when water droplets fall on a piece of glass they form droplets and bead up.
- So we can say that the negatively and positively charged particles of water are unevenly distributed.
- So due to this reason water gets a bent shape and therefore will be considered polar.
- Therefore option 4. Water is a nonpolar molecule that can be chosen as the statement that is not true about water.
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The correct question is:
Which of the following statements is are not correct about water?
1. Hydrogen bonds are present in liquid water
2. Water has a high boiling point
3. Water has a high heat of fusion
4. Water is a non-polar molecule
Answer:
4. Water is a non-polar molecule
Explanation:
Water is a polar molecule.
- Molecular formula of water is H2O.
- Water is a polar molecule because the electrons of the hydrogen atoms get pulled towards the electrons of the oxygen atom. This makes a region of positive charge on the hydrogen atoms and the negative charge on the other end of the molecule, which is the oxygen atom.
- Boiling point of water is 100 degree celsius.
- Water is a polar molecule because of its bent shape of molecules.
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