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Class 10 Chemistry Organic Chemistry 4. Name the following compounds according to IUPAC system:- (x)


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4. Name the following compounds according to IUPAC system:- (x)

10. General formula of alkyl radical is :a. \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}+2} b. \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}-2} c. \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}+1} d. \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}}
10. General formula of alkyl radical is :a.  \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}+2} b.  \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}-2} c.  \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}+1} d.  \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}}

10. General formula of alkyl radical is :a. \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}+2} b. \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}-2} c. \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}+1} d. \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}}

5-Wrlto the structural formuins of the followings:(ix) 13-pentadiyme
5-Wrlto the structural formuins of the followings:(ix) 13-pentadiyme

5-Wrlto the structural formuins of the followings:(ix) 13-pentadiyme

26. Which is the functional group of alcohols:(a) -X (b) -\mathrm{COOH} (c) - \mathrm{OH} (d) >\mathrm{C}=\mathrm{O}
26. Which is the functional group of alcohols:(a)  -X (b)  -\mathrm{COOH} (c) -  \mathrm{OH} (d)  >\mathrm{C}=\mathrm{O}

26. Which is the functional group of alcohols:(a) -X (b) -\mathrm{COOH} (c) - \mathrm{OH} (d) >\mathrm{C}=\mathrm{O}

21. Conversion of dead plants into coal by the action of bacteria and heat is called:a. carbonizationb. catenationc. hydrogenationd. cracking
21. Conversion of dead plants into coal by the action of bacteria and heat is called:a. carbonizationb. catenationc. hydrogenationd. cracking

21. Conversion of dead plants into coal by the action of bacteria and heat is called:a. carbonizationb. catenationc. hydrogenationd. cracking

The formula of toluene is.a)c)b)d)
The formula of toluene is.a)c)b)d)

The formula of toluene is.a)c)b)d)

5. How are alkyl radicals formed? Explain with examples.
5. How are alkyl radicals formed? Explain with examples.

5. How are alkyl radicals formed? Explain with examples.

16. Why alkanes are said to be saturated?
16. Why alkanes are said to be saturated?

16. Why alkanes are said to be saturated?

17. The quality of petrol is measured by:(a) Cracking.(b) Reforming.(c) Octane number.(d) Decane number.
17. The quality of petrol is measured by:(a) Cracking.(b) Reforming.(c) Octane number.(d) Decane number.

17. The quality of petrol is measured by:(a) Cracking.(b) Reforming.(c) Octane number.(d) Decane number.

Encircle the functional groups in the following compounds. Also give the names of the functional groups?(iii)
Encircle the functional groups in the following compounds. Also give the names of the functional groups?(iii)

Encircle the functional groups in the following compounds. Also give the names of the functional groups?(iii)

7. Explain different radicals of butane.
7. Explain different radicals of butane.

7. Explain different radicals of butane.

16. The hydrocarbons in which carbon atoms are arranged in rings are called:(a) Aliphatic.(b) Aromatic.(c) Ali cyclic.(d) None of these.
16. The hydrocarbons in which carbon atoms are arranged in rings are called:(a) Aliphatic.(b) Aromatic.(c) Ali cyclic.(d) None of these.

16. The hydrocarbons in which carbon atoms are arranged in rings are called:(a) Aliphatic.(b) Aromatic.(c) Ali cyclic.(d) None of these.

The general formula of alkane is.a) \mathrm{CnH}_{2 \mathrm{n}+2} b) \mathrm{C}_{\mathrm{n}} \mathrm{H}_{\mathrm{n}} c) \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}} d) \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}+1}
The general formula of alkane is.a)  \mathrm{CnH}_{2 \mathrm{n}+2} b)  \mathrm{C}_{\mathrm{n}} \mathrm{H}_{\mathrm{n}} c)  \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}} d)  \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}+1}

The general formula of alkane is.a) \mathrm{CnH}_{2 \mathrm{n}+2} b) \mathrm{C}_{\mathrm{n}} \mathrm{H}_{\mathrm{n}} c) \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}} d) \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}+1}

4. Name the following compounds according to IUPAC system: \{x\}
4. Name the following compounds according to IUPAC system: \{x\}

4. Name the following compounds according to IUPAC system: \{x\}

27. Which of the following molecules is alkane:(a) \mathrm{C}_{5} \mathrm{H}_{8} (b) \mathrm{C}_{5} \mathrm{H}_{10} (c) \mathrm{C}_{5} \mathrm{H}_{12} (d) \mathrm{C}_{5} \mathrm{H}_{14}
27. Which of the following molecules is alkane:(a)  \mathrm{C}_{5} \mathrm{H}_{8} (b)  \mathrm{C}_{5} \mathrm{H}_{10} (c)   \mathrm{C}_{5} \mathrm{H}_{12} (d)  \mathrm{C}_{5} \mathrm{H}_{14}

27. Which of the following molecules is alkane:(a) \mathrm{C}_{5} \mathrm{H}_{8} (b) \mathrm{C}_{5} \mathrm{H}_{10} (c) \mathrm{C}_{5} \mathrm{H}_{12} (d) \mathrm{C}_{5} \mathrm{H}_{14}

First time organic compound was prepared in laboratory ina) 1828c) 1836b) 1820d) 1830
First time organic compound was prepared in laboratory ina) 1828c) 1836b) 1820d) 1830

First time organic compound was prepared in laboratory ina) 1828c) 1836b) 1820d) 1830

5. What is meant by each of the followingi. Refining of petroleum.
5. What is meant by each of the followingi. Refining of petroleum.

5. What is meant by each of the followingi. Refining of petroleum.

3. Which is pure carbon:(a) Coaltar.(b) Coal gas.(c) Coke.(d) None of these.
3. Which is pure carbon:(a) Coaltar.(b) Coal gas.(c) Coke.(d) None of these.

3. Which is pure carbon:(a) Coaltar.(b) Coal gas.(c) Coke.(d) None of these.

Compound having the same molecular formula but different functional groups are called.a) Monomersb) Polymersc) Plasticd) Isomers
Compound having the same molecular formula but different functional groups are called.a) Monomersb) Polymersc) Plasticd) Isomers

Compound having the same molecular formula but different functional groups are called.a) Monomersb) Polymersc) Plasticd) Isomers

11.Identify which one of the following compounds is a ketone?a. \left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHOH} b. \left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO} c. \left(\mathrm{CH}_{3}\right)_{2} \mathrm{NH} d. \left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHCl}
11.Identify which one of the following compounds is a ketone?a.  \left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHOH} b.  \left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO} c.  \left(\mathrm{CH}_{3}\right)_{2} \mathrm{NH} d.  \left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHCl}
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11.Identify which one of the following compounds is a ketone?a. \left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHOH} b. \left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO} c. \left(\mathrm{CH}_{3}\right)_{2} \mathrm{NH} d. \left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHCl}

1. Explain the old and new concept of organic chemistry?
1. Explain the old and new concept of organic chemistry?
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1. Explain the old and new concept of organic chemistry?

Tick the Correct Answer:1. The branch of chemistry which deals with the compounds of carbon is called:(a) Physical chemistry.(b) Inorganic chemistry.(c) Organic chemistry.(d) Analytical chemistry.
Tick the Correct Answer:1. The branch of chemistry which deals with the compounds of carbon is called:(a) Physical chemistry.(b) Inorganic chemistry.(c) Organic chemistry.(d) Analytical chemistry.
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Tick the Correct Answer:1. The branch of chemistry which deals with the compounds of carbon is called:(a) Physical chemistry.(b) Inorganic chemistry.(c) Organic chemistry.(d) Analytical chemistry.

14. The hydrocarbons which contain one or more double or triple bonds are called:(a) Saturated hydrocarbons(b) Unsaturated hydrocarbons.(c) Paraffin.(d) Halogous.
14. The hydrocarbons which contain one or more double or triple bonds are called:(a) Saturated hydrocarbons(b) Unsaturated hydrocarbons.(c) Paraffin.(d) Halogous.
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14. The hydrocarbons which contain one or more double or triple bonds are called:(a) Saturated hydrocarbons(b) Unsaturated hydrocarbons.(c) Paraffin.(d) Halogous.

15. What is meant by term functional group? Give some examples of functional groups?
15. What is meant by term functional group? Give some examples of functional groups?
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15. What is meant by term functional group? Give some examples of functional groups?

Write down the characteristics of homologous series.
Write down the characteristics of homologous series.
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Write down the characteristics of homologous series.

5 - Wrlte the structural formulas of the followings:(i) 3-mcthyl hexane
5 - Wrlte the structural formulas of the followings:(i) 3-mcthyl hexane
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5 - Wrlte the structural formulas of the followings:(i) 3-mcthyl hexane

4. Name the following compounds according to IUPAC system:- (x)
4. Name the following compounds according to IUPAC system:- (x)
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4. Name the following compounds according to IUPAC system:- (x)

4. Residue left after fractional distillation of coaltar:(a) Coke.(b) Matte(c) Pitch.(b) None of these.
4. Residue left after fractional distillation of coaltar:(a) Coke.(b) Matte(c) Pitch.(b) None of these.
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4. Residue left after fractional distillation of coaltar:(a) Coke.(b) Matte(c) Pitch.(b) None of these.

2. Briefly describe the natural sources of Organic compounds.
2. Briefly describe the natural sources of Organic compounds.
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2. Briefly describe the natural sources of Organic compounds.

4. Define the following terms?iii. Alkynes.
4. Define the following terms?iii. Alkynes.
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4. Define the following terms?iii. Alkynes.

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