Question

I have written down a few compounds i do not know the names of ( class 11 organic chemistry) . Please help me

Answer 1

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1. 2-methyl pentane.

• The longest chain is of 5 carbon, so pent-
• Methyl(CH3) grp is attached to 2nd Carbon, so 2-methyl
• All are single bonds, so -ane

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2. 3-chloro-5-methyl hex-2-ene

• The longest chain is of 6 carbon, so hex-
• Chloro and methyl grps are attached to 3rd and 5th Carbon respectively, so 3-chloro 5-methyl
• There is a double bond at 2nd Carbon, so -2-ene

⠀

3. pentan-2-ol

• The longest chain is of 5 carbon, so pent-
• Alcohol(OH) grp is attached to 2nd Carbon,so -2-ol
• All are single bonds, so -an-

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4. 3-ethyl-2,5-dimethyl heptane

• The longest chain is of 7 carbon, so hept-
• Ethyl and 2 methyl grps are attached to 3rd, 2nd& 5th Carbon respectively, so 3-ethyl 2,5-dimethyl
• All are single bonds, so -ane

⠀

5. pentanoic acid

• The longest chain is of 5 carbon, so pent-
• Carboxylic(COOH) Grp is attached to it, so -oic acid
• All are single bonds, so -an-

⠀

6. 4-chloro-2-methyl pent-3-en-1-al

• The longest chain is of 5 carbon, so pent-
• Chloro, methyl and aldehyde grps are attached to 4th, 2nd and 1st Carbon respectively, so 4-chloro 2-methyl and -1-al
• There is a double bond at 3rd Carbon, so -3-en-

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7. 4-bromo-3-chloro-pentan-2-one

• The longest chain is of 5 carbon, so pent-
• Bromo, chloro and ketone(C=O) grps are attached to 4th, 3rd and 2nd Carbon respectively, so 4-bromo-3-chloro- and -2-one
• All are single bonds, so -an-

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8. heptanoic acid

• The longest chain is of 7 carbon, so hept-
• Carboxylic(COOH) Grp is attached to it, so -oic acid
• All are single bonds, so -an-

⠀

9. 3-chloro-5-methyl heptane

• The longest chain is of 7 carbon, so hept-
• Chloro and methyl grps are attached to 3rd and 5th Carbon respectively, so 3-chloro-5-methyl
• All are single bonds, so -ane

⠀

10. hexane

• The longest chain is of 6 carbon, so hex-
• No grp is attached
• All are single bonds, so -ane

HOPE IT HELPS!!!!!

Answer 2

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