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CBSE Class 12-science Answered

indicate

Asked by | 18 Feb, 2009, 07:41: AM

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b)CH₃COCH₃ + 3Br₂+ 4NaOH CHBr₃+ CH₃COONa + 3NaBr + 3H2O

Answered by | 26 Feb, 2009, 09:38: AM

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CBSE 12-science - Chemistry

give reason why trichloro acetic acid has more acidic character than monochloro acid

Asked by ygarg8323 | 18 Apr, 2022, 12:47: PM

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CBSE 12-science - Chemistry

sir/madam, 1. in NCERT chemistry books in organic chemistry sometimes hydrolysis rxn takes places by acid and water(H2SO4 + H2O/ H3O+/H+ + H2)), base with water(NaOH + H2O/ KOH + H2O) and other times only with water(H2O) what is the difference between the three and when do we use them in rxns ? hydrolysis means breaking or cleavage of compounds using water.... am I right? 2. Is Aldol rxn and condensation only limited to 2 molecules of same aldehyde compound and 2 molecules of same ketone compound? then does it mean that it undergoes self condensation? And cross Aldol rxn and condensation is carried out by two different molecules of aldehydes and two different molecules of ketones. is cross Aldol rxn and condensation also carried out between one aldehyde and one ketone molecules? request u to plz answer all questions

Asked by kaziryan.05 | 30 Jun, 2021, 04:52: PM

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CBSE 12-science - Chemistry

sir/madam, in NCERT chemistry books in organic chemistry sometimes hydrolysis rxn takes places by acid and water(H2SO4 + H2O/ H3O+/H+ + H2)), base with water(NaOH + H2O/ KOH + H2O) and other times only with water(H2O) what is the difference between the three and when do we use them in rxns ? hydrolysis means breaking or cleavage of compounds using water.... am I right? request u to answer all questions pls

Asked by kaziryan.05 | 29 Jun, 2021, 08:36: AM

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CBSE 12-science - Chemistry

sir/madam, is KMnO4-KOH the chemical formula for alkaline potassium permanganate? like in the NCERT if alkylbenzene is reacted with chromic acid (H2CrO4), will there be any intermediate product just like alkylbenzene when reacted with KMnO4-KOH gives potassium salt of carboxylic acid which then further oxidises to carboxylic acid? also is my formula correct for chromic acid and alkaline potassium permanganate? pls requested to respond to all my questions

Asked by kaziryan.05 | 28 Jun, 2021, 02:34: PM

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CBSE 12-science - Chemistry

carbolic acid

Asked by saimerala007 | 22 May, 2021, 02:08: PM

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CBSE 12-science - Chemistry

IUPAC name

Asked by amitkumar.cis | 31 Dec, 2020, 10:45: AM

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CBSE 12-science - Chemistry

name the product formed when chloromethane react with aqus AgCn

Asked by mahaynoorf | 17 Oct, 2020, 08:39: PM

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CBSE 12-science - Chemistry

Please give chemical equation with mechanism.

Asked by prabhatsingh918 | 24 Jul, 2020, 02:56: PM

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CBSE 12-science - Chemistry

When CH2 = CH−COOH is reduced by LiAlH4, the compound obtained is 1) CH3CH2COOH 2)CH2=CHCH2OH 3)CH3CH2CH2OH 4)CH3CH2CHO

Asked by ambalxerox.subha | 12 Jul, 2020, 10:44: PM

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CBSE 12-science - Chemistry

Conversions from a-g

Asked by shreevarshni1910 | 16 Jun, 2020, 01:36: PM

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