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Lewis Bases

Water is a:

Question

Water is a:

A

Lewis base due to unshared electron pair on Oxygen.

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B

Lewis base due to high electronegativity of Oxygen.

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C

Lewis base due to shared electron pair on Oxygen.

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D

Lewis base due to unshared and shared electron pair on Oxygen.

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Solution

The correct option is A
Lewis base due to unshared electron pair on Oxygen.

Lewis base due to unshared electron pair on Oxygen.

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Similar questions

Q. Given below are two statements labelled as Assertion (A) and Reason (R).
Assertion (A): Alcohols act as Lewis bases.

Reason (R): It is due to the presence of shared electron pairs on oxygen which make them proton donors.

Q. Assertion (A) : Ethers behave as Lewis base in the presence of mineral acids.
Reason (R) : Oxygen atom in ether is having lone pair electrons.

I_{2} + I^{-} ⟶ I_{3}^{-}

In above reaction,

I_{2}

is Lewis base. Reason: Electron pair acceptor is Lewis base.

Q. Assertion (A) : Ethers behave as Lewis base in the presence of mineral acids in cold condition.
Reason (R) : Oxygen atom in ether has 4 lone pairs of electrons.

Q. Draw the Lewis dot formula for

{N H}_{3}

. How many unshared pairs of electrons are in the outer shell of the central nitrogen atom?

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