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Class 10 Chemistry Hydrocarbons


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Class 9Class 10First YearSecond Year
1.NamethefollowingbyI.U.P.A.Csystem:(v)HCCCH(CH8)31. Name the following by I.U.P.A.C system:(v) \mathrm{HC} \equiv \mathrm{C}-\mathrm{CH}\left(\mathrm{CH}_{8}\right)_{3}

The nature of - Cl group isa) Ortho directingc) Para directingb) Meta directingd) Orth and para directing
The nature of - Cl group isa) Ortho directingc) Para directingb) Meta directingd) Orth and para directing

ThenatureofClgroupisa)Orthodirectingc)Paradirectingb)Metadirectingd)OrthandparadirectingThe nature of - Cl group isa) Ortho directingc) Para directingb) Meta directingd) Orth and para directing

13. What would be the major monochloro product (or products) formed when each of the following compounds react with chlorine in presence of ferric chloride?(i) Ethyl benzene \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{CH}_{3}
13. What would be the major monochloro product (or products) formed when each of the following compounds react with chlorine in presence of ferric chloride?(i) Ethyl benzene  \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{CH}_{3}

13.Whatwouldbethemajormonochloroproduct(orproducts)formedwheneachofthefollowingcompoundsreactwithchlorineinpresenceofferricchloride?(i)EthylbenzeneC6H5CH2CH313. What would be the major monochloro product (or products) formed when each of the following compounds react with chlorine in presence of ferric chloride?(i) Ethyl benzene \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{CH}_{3}

11. Draw the structures of the following compounds:(iii) Ethyl benzene
11. Draw the structures of the following compounds:(iii) Ethyl benzene

11.Drawthestructuresofthefollowingcompounds:(iii)Ethylbenzene11. Draw the structures of the following compounds:(iii) Ethyl benzene

14. Write the molecular dot and cross and structural formula of ethyne.
14. Write the molecular dot and cross and structural formula of ethyne.

14.Writethemoleculardotandcrossandstructuralformulaofethyne.14. Write the molecular dot and cross and structural formula of ethyne.

7. Dehydrohalogenation takes place in the presence ofa. \mathrm{NaOH} aqueousb. alcoholic \mathrm{KOH} c. aqueous \mathrm{KOH} d. alcoholic \mathrm{NaOH}
7. Dehydrohalogenation takes place in the presence ofa.  \mathrm{NaOH}  aqueousb. alcoholic  \mathrm{KOH} c. aqueous  \mathrm{KOH} d. alcoholic  \mathrm{NaOH}

7.Dehydrohalogenationtakesplaceinthepresenceofa.NaOHaqueousb.alcoholicKOHc.aqueousKOHd.alcoholicNaOH7. Dehydrohalogenation takes place in the presence ofa. \mathrm{NaOH} aqueousb. alcoholic \mathrm{KOH} c. aqueous \mathrm{KOH} d. alcoholic \mathrm{NaOH}

5. How are alkyl halides reduced?
5. How are alkyl halides reduced?

5.Howarealkylhalidesreduced?5. How are alkyl halides reduced?

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