Hardness of Water
CHXI09:HYDROGEN

315709 What are the products of auto-photolysis of water?

1 \(\mathrm{\mathrm{H}_{2}}\) and \(\mathrm{\mathrm{O}_{2}}\)
2 Steam
3 \(\mathrm{\mathrm{H}_{3} \mathrm{O}^{+}}\)and \(\mathrm{\mathrm{OH}^{-}}\)
4 Hydrogen peroxide
CHXI09:HYDROGEN

315710 Consider the following reactions:
I. There is extensive hydrogen bonding between water molecules
II.Water has high freezing and boiling point in comparision to \({{\text{H}}_{\text{2}}}{\text{S}}\) and \({{\text{H}}_{\text{2}}}{\text{Se}}\)
III. High heat of vaporisation and heat capacity of water are responsible for moderation of climate and body temperature of living beings.
IV. Covalent compounds like alcohol and carbohydrates dissolve in water.
Select the correct statements among above

1 Both I and II
2 Both II and IV
3 Both I and III
4 All of these
CHXI09:HYDROGEN

315711 Which one of the following statements about water is FALSE?

1 There is extensive intramolecular hydrogen bonding in the condensed phase.
2 Ice formed by heavy water sinks in normal water.
3 Water is oxidises to oxygen during photosynthesis.
4 Water can act both as an acid and as a base.
CHXI09:HYDROGEN

315712 Which of the following statements do not define the characteristic property of water?
"Water is a universal solvent"

1 It can dissolve maximum number of compounds
2 It has very low dielectric constant
3 It has high liquid range
4 None of these
CHXI09:HYDROGEN

315709 What are the products of auto-photolysis of water?

1 \(\mathrm{\mathrm{H}_{2}}\) and \(\mathrm{\mathrm{O}_{2}}\)
2 Steam
3 \(\mathrm{\mathrm{H}_{3} \mathrm{O}^{+}}\)and \(\mathrm{\mathrm{OH}^{-}}\)
4 Hydrogen peroxide
CHXI09:HYDROGEN

315710 Consider the following reactions:
I. There is extensive hydrogen bonding between water molecules
II.Water has high freezing and boiling point in comparision to \({{\text{H}}_{\text{2}}}{\text{S}}\) and \({{\text{H}}_{\text{2}}}{\text{Se}}\)
III. High heat of vaporisation and heat capacity of water are responsible for moderation of climate and body temperature of living beings.
IV. Covalent compounds like alcohol and carbohydrates dissolve in water.
Select the correct statements among above

1 Both I and II
2 Both II and IV
3 Both I and III
4 All of these
CHXI09:HYDROGEN

315711 Which one of the following statements about water is FALSE?

1 There is extensive intramolecular hydrogen bonding in the condensed phase.
2 Ice formed by heavy water sinks in normal water.
3 Water is oxidises to oxygen during photosynthesis.
4 Water can act both as an acid and as a base.
CHXI09:HYDROGEN

315712 Which of the following statements do not define the characteristic property of water?
"Water is a universal solvent"

1 It can dissolve maximum number of compounds
2 It has very low dielectric constant
3 It has high liquid range
4 None of these
CHXI09:HYDROGEN

315709 What are the products of auto-photolysis of water?

1 \(\mathrm{\mathrm{H}_{2}}\) and \(\mathrm{\mathrm{O}_{2}}\)
2 Steam
3 \(\mathrm{\mathrm{H}_{3} \mathrm{O}^{+}}\)and \(\mathrm{\mathrm{OH}^{-}}\)
4 Hydrogen peroxide
CHXI09:HYDROGEN

315710 Consider the following reactions:
I. There is extensive hydrogen bonding between water molecules
II.Water has high freezing and boiling point in comparision to \({{\text{H}}_{\text{2}}}{\text{S}}\) and \({{\text{H}}_{\text{2}}}{\text{Se}}\)
III. High heat of vaporisation and heat capacity of water are responsible for moderation of climate and body temperature of living beings.
IV. Covalent compounds like alcohol and carbohydrates dissolve in water.
Select the correct statements among above

1 Both I and II
2 Both II and IV
3 Both I and III
4 All of these
CHXI09:HYDROGEN

315711 Which one of the following statements about water is FALSE?

1 There is extensive intramolecular hydrogen bonding in the condensed phase.
2 Ice formed by heavy water sinks in normal water.
3 Water is oxidises to oxygen during photosynthesis.
4 Water can act both as an acid and as a base.
CHXI09:HYDROGEN

315712 Which of the following statements do not define the characteristic property of water?
"Water is a universal solvent"

1 It can dissolve maximum number of compounds
2 It has very low dielectric constant
3 It has high liquid range
4 None of these
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXI09:HYDROGEN

315709 What are the products of auto-photolysis of water?

1 \(\mathrm{\mathrm{H}_{2}}\) and \(\mathrm{\mathrm{O}_{2}}\)
2 Steam
3 \(\mathrm{\mathrm{H}_{3} \mathrm{O}^{+}}\)and \(\mathrm{\mathrm{OH}^{-}}\)
4 Hydrogen peroxide
CHXI09:HYDROGEN

315710 Consider the following reactions:
I. There is extensive hydrogen bonding between water molecules
II.Water has high freezing and boiling point in comparision to \({{\text{H}}_{\text{2}}}{\text{S}}\) and \({{\text{H}}_{\text{2}}}{\text{Se}}\)
III. High heat of vaporisation and heat capacity of water are responsible for moderation of climate and body temperature of living beings.
IV. Covalent compounds like alcohol and carbohydrates dissolve in water.
Select the correct statements among above

1 Both I and II
2 Both II and IV
3 Both I and III
4 All of these
CHXI09:HYDROGEN

315711 Which one of the following statements about water is FALSE?

1 There is extensive intramolecular hydrogen bonding in the condensed phase.
2 Ice formed by heavy water sinks in normal water.
3 Water is oxidises to oxygen during photosynthesis.
4 Water can act both as an acid and as a base.
CHXI09:HYDROGEN

315712 Which of the following statements do not define the characteristic property of water?
"Water is a universal solvent"

1 It can dissolve maximum number of compounds
2 It has very low dielectric constant
3 It has high liquid range
4 None of these