2.-- साइकिल का चित्र बनाकर उसकी उपयोगिता पर निबंध लिखिए।​

Answer:

. O

2

+

:

valence electrons=6+6−1=11

(σ2s)

2

(σ∗2s)

2

(σ2p)

2

(π2p)

4

(π

∗

2p)

1

BO=1/2×(6−1)=2.5;

2.O

2

−1

:

valence electrons=6+6+1=13

(σ2s)

2

(σ∗2s)

2

(σ2p)

2

(π2p)

4

(π

∗

2p)

3

BO=1/2×(6−3)=1.5;

3. O

2

−2

:

valence electrons=6+6+2=14

(σ2s)

2

(σ∗2s)

2

(σ2p)

2

(π2p)

4

(π

∗

2p)

4

BO=1/2×(6−4)=1;

4. O

2

:

valence electrons=6+6=12

(σ2s)

2

(σ∗2s)

2

(σ2p)

2

(π2p)

4

(π

∗

2p)

2

BO=1/2×(6−2)=2;

Bond length ∝

bond order

1

O

2

+

has minimum bond length.

Answer:

The C-O bond will have minimum bond length.

Therefore, option (4) is correct.

Explanation:

We know that the bond length of a bond is inversely proportional to its  bond order.

The bond order is the half of the difference of the electrons in bonding orbital and antibonding orbitals.

For C-H bond, carbon has 6 electrons and hydrogen has one electron. So the total electrons C-H bond has seven.

C-H bond :-  [tex]\sigma 1s^2 \; \sigma^*1s^2\; \sigma 2s^2 \; \sigma^*2s^1[/tex]

Bond order of C-H bond [tex]=\frac{1}{2}[4-3]=\frac{1}{2} = 0.5[/tex]

For N-O bond, N has 7 electrons and O has 8 electron. So the total electrons N-O bond has 15.

N-O bond :-  [tex]\sigma 1s^2 \; \sigma^*1s^2\; \sigma 2s^2 \; \sigma^*2s^2\; \pi 2p^2_x \; \pi 2p^2_y \; \sigma 2p_z^2 \; \pi 2p_x^1[/tex]

Bond order of N-O bond [tex]=\frac{1}{2}[10-5]=\frac{5}{2} = 2.5[/tex]

For O-H bond, oxygen has 8 electrons and hydrogen has one electron. So the total electrons O-H bond has nine.

O-H bond :-  [tex]\sigma 1s^2 \; \sigma^*1s^2\; \sigma 2s^2 \; \sigma^*2s^2\; \sigma 2p^1_z[/tex]

Bond order of O-H bond [tex]=\frac{1}{2}[5-4]=\frac{1}{2} = 0.5[/tex]

For C-O bond, C has 6 electrons and O has 8 electron. So the total electrons N-O bond has 14.

C-O bond :-  [tex]\sigma 1s^2 \; \sigma^*1s^2\; \sigma 2s^2 \; \sigma^*2s^2\; \pi 2p^2_x \; \pi 2p^2_y \; \sigma 2p_z^2[/tex]

Bond order of C-O bond [tex]=\frac{1}{2}[10-4]=\frac{6}{2} = 3[/tex]

Therefore, the C-O bond has highest bond order, so it has minimum bond length.

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Function header consists of function name & parameter list.

Answer:

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1. Ronnie the youngest brother of Mrs. Sappleton teased her by singing a particular line from a song. He did it because of the following reasons:-

• Ronnie signed the lines "Bertie, why do you bound?" These lines are from the song "Bertie the Bounder" which was part of the comedy titled "Our Miss Gibbs."
• He used to sing this song because he knew that this song annoys Mrs. Sappleton.

    2. Something went shivers down Framton's spine when he looked out of the window. This happened because of the following reasons:-

• He saw the silhouettes of three men arriving through the window and he thought that they were ghosts because Vera had told him that they died while shooting.
• Thus, he got scared and ran away.

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1. Ronnie the youngest brother of Mrs. Sappleton teased her by singing a particular line from a song. He did it because of the following reasons:-

Ronnie signed the lines "Bertie, why do you bound?" These lines are from the song "Bertie the Bounder" which was part of the comedy titled "Our Miss Gibbs."

He used to sing this song because he knew that this song annoys Mrs. Sappleton.

   2. Something went shivers down Framton's spine when he looked out of the window. This happened because of the following reasons:-

He saw the silhouettes of three men arriving through the window and he thought that they were ghosts because Vera had told him that they died while shooting.

Thus, he got scared and ran away.

For more similar questions refer to-

https://brainly.in/question/47465024?referrer=searchResults

https://brainly.in/question/11077682?referrer=searchResults

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