MEDIUM

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The number of $H$ -bonds formed by a water molecule is

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Important Questions on Hydrogen

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Structure of Water Molecule

Which of the following compounds is NOT present in its standard state at

25^{o} C

and

1

atmosphere pressure?

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Structure of Water Molecule

What are the products obtained when water is auto-ionised?

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen>Structure of Water Molecule

Which of the following statements about water is FALSE?

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen>Structure of Water Molecule

H_{2} O

(ice) is an example of

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Structure of Water Molecule

An equilibrium mixture of ice and water is under constant pressure, where ice melts if heat is supplied. For this process

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Structure of Water Molecule

The number of

H_{2} O

molecules participating in hydrogen bonding in

{CuSO}_{4} . 5 H_{2} O

is/are

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen>Structure of Water Molecule

Given below are two statements .
Statement $I$ : In ${CuSO}_{4} \cdot 5 H_{2} O, Cu - O$ bonds are present.

Statement $II$ : In ${CuSO}_{4} . 5 H_{2} O$ , ligands coordinating with $Cu (II)$ ion are $O$ -and $S$ -based ligands.

In the light of the above statements, choose the correct answer from the options given below

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Structure of Water Molecule

Choose the correct statement applicable for the reaction:

2 H_{2} O + 2 F_{2} \to 4 HF + O_{2}

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Structure of Water Molecule

In reference to water, choose the correct statement

(i) It gets oxidised to $O_{2}$ during photosynthesis.

(ii) It gets reduced to $H_{2}$ by highly electropositive metal.

HARD

Chemistry>Inorganic Chemistry>Hydrogen>Structure of Water Molecule

A gas ‘X' is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate gives a white precipitate. The saturated aqueous solution also dissolves magnesium ribbon with evolution of a colourless gas 'Y'. Identify 'X’ and 'Y'.

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Structure of Water Molecule

When two ice cubes are pressed over each other they unite to form one cube. Which of the following forces are responsible to hold them together?

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen>Structure of Water Molecule

Water is a compound, made up by combination of hydrogen and oxygen, in the ratio _____ by volume.

HARD

Chemistry>Inorganic Chemistry>Hydrogen>Structure of Water Molecule

The dielectric constant of