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Published on: 04/11/2019
Hydroxy Compounds and Ethers
Download Tamil Nadu 12th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
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1.
Complete the following reactions
i) CH3- CH2 - OH \(\overset { { P}{ Br_3 }{ } }{ \underset { {} }{ \longrightarrow } }\) A \(\overset { { aq.NaOH}{ }{ } }{ \underset { {} }{ \longrightarrow } }\) B \(\overset { { Na}{ } }{ \underset { {} }{ \longrightarrow } }\) C
ii) C6H5- OH \(\overset { { Zn \ dust}{ } }{ \underset { {} }{ \longrightarrow } }\) A \(\overset { { CH_3}{Cl}{ } }{ \underset { {Anhydrs}{AlCl_3} }{ \longrightarrow } }\) B \(\overset { { acid}{K MnO_4}{ } }{ \underset { {} }{ \longrightarrow } }\) C


2.
Complete the following reactions

ii) \(C_6H_5-CH_{2}CH(OH)CH(CH_3)_2 \overset{ConH_2SO_4}\longrightarrow\)
3.
What will be the product (X and A) for the following reaction acetylchloride \(\frac{\text { i) } \mathrm{CH}_{3} \mathrm{MgBr}}{\text { ii) } \mathrm{H}_{3} \mathrm{O}^{+}}{\longrightarrow} \mathrm{X} \stackrel{\text { acid } \mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}}{\longrightarrow}\) A
4.
0.44g of a monohydric alcohol when added to methyl magnesium iodide in ether liberates at STP 112 cm3 of methane with PCC the same alcohol form a carbonyl compound that answers silver mirror test. Identify the compound.
5.
Phenol is distilled with Zn dust followed by friedel – crafts alkylation with prophyl chloride to give a compound B, B on oxidation gives (c) Indentify A,B and C.
6.
How will you convert acetylene into n-butyl alcohol.
7.

Identify A,B,C,D and write the complete equation
8.
Predict the product A,B,X and Y in the following sequence of reaction

1.
2.
(i)
n-Nitro benzoate (Major Product)
(ii)
3.
4.
Mass = 0.44 g
No. of moles = Given Volume/Molar Volume = 112/22400
Molar Mass = 0.44/112 x 22400 = 88g
CnH2n+1 + OH = 88
12n+ (1)(2n+1) + 16 +1 = 88
14n + 18 = 88
14n = 88 - 18
n =70/14 = 5
Pentanoicacid
5.
\(\underset {Phenol} {\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OH}}+\mathrm{Zn}(\text { dust }) \rightarrow \underset {benzene(A)} {\mathrm{C}_{6} \mathrm{H}_{6}}+\mathrm{ZnO}\)
6.
7.
8.
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