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4 years ago

What type of reaction is displayed below?

Chemistry

1 answer:

Illusion [34]4 years ago

5 0

Answer:

A) double replacement

Explanation:

Silver and Potassium both switch partners.

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What is the approximate bond angle around the central carbon atom in acrolein?

Pavlova-9 [17]

Hello!

The approximate bond angle around the central carbon atom in acrolein is 120°

The structure of acrolein is shown in the figure below. From the structure, we can deduce that the central carbon atom is in an sp2 hybridization (Atoms with a double bond hybridize in an sp2 fashion).

Atoms with sp2 hybridization have trigonal planar geometry, in this kind of hybridization, bonds are oriented the farthest away possible from each other, to minimize overlapping and the angle that allows that is 120°.

Have a nice day!

3 0

4 years ago

Read 2 more answers

H E L P Nitrogen is collected in gas jar by the downward displacement of water why explain it <br>

Feliz [49]

Answer:

This is because, nitrogen is less dense than water, with a density of 1000 g/L, it is sparingly soluble in water and it is easy to differentiate between it and water.

Explanation:

<h2>hope it is helpful for you</h2><h2>Thank you </h2>

8 0

3 years ago

Which particle has the least mass? Proton, a helium atom, electron, hydrogen atom

Tpy6a [65]

Answer:electron

Explanation:

3 0

3 years ago

What hybridization is required for central atoms that have a tetrahedral arrangement of electron pairs? A trigonal planar arrang

Ksivusya [100]

Answer:

The required hybridization for a central atom that have:

a tetrahedral arrangement of electron pairs is $sp^3$

a trigonal planar arrangement of electron pairs is $sp^2$

a linear arrangement of electron pairs is $sp$

Explanation:

From the given information:

The required hybridization for a central atom that have:

a tetrahedral arrangement of electron pairs is $sp^3$

a trigonal planar arrangement of electron pairs is $sp^2$

a linear arrangement of electron pairs is $sp$

Hybridization is the mixing and blending of two or more pure atomic orbitals ( s, p and d) to forma two or more hybrid atomic orbitals that are identical in shape and energy e. sp ,sp² , sp³, sp³d hybrid orbitals.

Examples:

Tetrahedral

In CH₄ , carbon C is the central atom.

A 2s electron is excited from the ground state of boron 1s²2s²2p² to one of the empty orbitals to 2p to give the excited state 1s²2s²2p³.

In the excited state of carbon, the 2-s orbital can be mixed with the 2p orbitals in three ways : sp³, sp² and sp hybridization. For the formation of four sp³ hybrid orbitals, the 2s orbital are mixed with all the three p orbitals. The four sp³ hybrid orbitals are tetrahedrally arranged with a bond angle of 109.5⁰

Trigonal Planar

In BF₃ , Boron B is the central atom

A 2s electron is excited from the ground state of boron 1s²2s²2p¹ to one of the empty orbitals to 2p. The 2s orbital is then mixed with two orbitals of 2p to form three sp² hybrid orbitals that are trigonal planar arranged in the plane in order to minimize repulsion. They bonds between them form an equal strength and with bond angles of 120⁰

Linear arrangement:

In BeCl₂, Be is the central atom

To provide the unpaired electrons for covalent bonds a 2s electron is excited to a 2p orbital. Thereafter, the two atomic orbitals hybridize to give two identical orbitals called sp hybrid orbitals. The sigma bond for,ed are equal in bond lengths and form a bond angle of 180°

3 0

3 years ago

Pls help 6th grade science

Eduardwww [97]

It’s A because it running more faster the the zebra

8 0

3 years ago