The correct IUPAC name of the following structure is

1. 2,4,7-Trimethyloctane

2. 2,5,7-Trimethyloctane

3. 2,3,7-Trimethyloctane

4. All of the above

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The  IUPAC name of the following molecule is -

 

1. 2-Chloro-4-methylpentane

2. 4-Chloro-2-methylpentane

3. 4-Chloro-4-methylpentane

4. 2-Chloro-2-methylpentane

 

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C1H2 =C2=O

The correct hybridization states of carbon atoms in the above compound are - 

1. C1= sp , C2= sp3 2. C1= sp, C2= sp
3. C1= sp, C2= sp 4. C1= sp , C2= sp2
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The correct hybridization states of carbon atoms marked as 1,2,3 in the following compound are -  C1H3-C 2H=C3H2

1. C1= sp , C2= sp, C3= sp2 2. C1= sp2 , C2= sp, C3= sp3
3. C1= sp3 , C2= sp, C3= sp2 4. C1= sp3 , C2= sp, C3= sp3
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            O
             ||    
C1H3C2C3H3

The correct hybridization  of carbon atoms are-

1. C1= sp , C2= sp, C2= sp2

2. C1= sp2 , C2= sp, C2= sp3

3. C1= sp3 , C2= sp, C2= sp3

4. C1= sp3 , C2= sp, C2= sp3

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The correct hybridization states of carbon atoms in the following compound are -     C1H2=C2H-C3N
 

1. C1= sp , C2= sp, C3= sp2 2. C1= sp2 , C2= sp,  C 3 = sp3
3. C1= sp2 , C2= sp,  C 3 = sp 4. C1= sp3 , C2= sp,  C 3 = sp3
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The correct hybridization states of carbon atoms in C6His/are:

1.  sp

2. sp

3. sp3

4.  All of the above

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Structure 1.
Structure 2.
 

The Correct IUPAC names of the above structures are-

1. 2, 3–dimethyl butanal & Heptan–4–one

2. 2, 4–dimethyl butanal & Heptan–2–one

3. 2, 3–dimethyl butanal & Heptan–3–one

4. 1, 2 –dimethyl butanal & Heptan–4–one

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The correct IUPAC name is -

1. 2,2-Dimethylpentane 

2. 2-Dimethylpentane

3. 1-Dimethylpentane

4. 2,2-Dimethylethane

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The number of σ and π bonds in the molecule C6H12 are-

1. 7 = (σC-C) , 11 =  (σC-H), and 0= π 

2. 6 = (σC-C) , 12 =  (σC-H), and 0= π 

3. 12 = (σC-C) , 6 =  (σC-H), and 1= π 

4. 5 = (σC-C) , 13 =  (σC-H), and 1= π 

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