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3 years ago

The _______ geometry of a water molecule is tetrahedral even though the molecular geometry is bent

Chemistry

2 answers:

IRINA_888 [86]3 years ago

6 0

The electron geometry of a water molecule is tetrahedral even though the molecular geometry is bent.

As water molecule hybridisation is sp³ that provides it a electron geometry tetrahedral but due to presence of 2 lone pairs and 2 bond pairs its molecular geometry is bent.

The hybridisation sp³ makes electron geometry of a water molecule tetrahedral but the presence of 2 lone pairs makes its molecular geometry bent

Stolb23 [73]3 years ago

6 0

Answer:

the electron geometry of a water molecule is tetrahedral.

Explanation:

There are four pair of electrons on oxygen central atom, these electron pairs are arranged in tetrahedral manner and thus electron geometry is tetrahedral.

The hybridization is sp³ and thus there are four hybridized orbitals,

However there are two bonded electron pairs and two lone pair of electrons.

Thus the two hydrogen atoms are arranged in bent shape.

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Answer:

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3 years ago

In another experiment, a 0.150 M BF4^-(aq) solution is prepared by dissolving NaBF4(s) in distilled water. The BF4^-(aq) ions in

Ilia_Sergeevich [38]

Answer:

A) Forward rate = 1.1934 × 10^(-4) M/min

B) I disagree with the claim

Explanation:

A) We are told that [HF] reaches a constant value of 0.0174 M at equilibrium.

The reversible reaction given to us is;

BF4-(aq) +H20(l) → BF3OH-(aq) + HF(aq)

From this, we can see that the stoichiometric ratio is 1:1:1:1

Thus, concentration of [BF4-] is now;

[BF4-] = 0.150 - 0.0174

[BF4-] = 0.1326 M

From the rate law, we are told the forward rate is kf [BF4-].

We are given Kf = 9.00 × 10^(-4) /min

Thus;

Forward rate = 9.00 × 10^(-4) /min × (0.1326M)

Forward rate = 1.1934 × 10^(-4) M/min

(B) The student claims that the initial rate of the reverse reaction is equal to zero can't be true because at equilibrium, rates for the forward and reverse reactions are usually equal.

Thus, I disagree with the claim.

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3 years ago