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Chemistry 5 Marks Questions

Alcohols, Phenols and Ethers · Rajasthan Board (RBSE) STD 12 Science (Rajasthan - English Medium). 11 questions.

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5 Marks Questions

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11 questions · self-marked practice — reveal the answer and mark yourself.

Question 15 Marks
Write the chemical reactions of $C _2 H _5 OH$ with following compounds :
(i) $CH _2 N_2$ (diazomethane) (ii) ketone, (iii) $HC \equiv$ $C H$ (iv) $C H _3 N C O$ (Methyl-isocyanate) (v) $C H _3 C H O$ (ethanol) (vi) conc. $H _2 SO _4$ at $0^{\circ} C$.
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Question 35 Marks
How will you obtain the following compounds from ethyl alcohol? Explain with equation :
(i) Diethyl ether
(ii) Iodoform
(iii) Ethyl acetate
(iv) Acetaldehyde
Answer
self
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Question 45 Marks
Differentiate between $1^{\circ}, 2^{\circ}$ and $3^{\circ}$ alcohols by catalytic dehydrogenation.
Answer
self
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Question 65 Marks
Discus in detail the following $C - H$ bond cleavage reactions of ether :
(i) Peroxide formation
(ii) Halogenation
Answer
self
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Question 75 Marks
Explain the following reactions of phenol :
(i) Nitration
(ii) Gatterman aldehyde synthesis
(iii) Fries rearrangement
(iv) Reaction with mercuric acetate.
Answer
self
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Question 85 Marks
How will you distinguish $1^{\circ}, 2^{\circ}$ and $3^{\circ}$ alcohols by Victor Mayer Test? Explain.
Answer
self
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Question 115 Marks
Explain the methods of preparation alcohol from the following compounds:
(a) From carbonyl compound
(b) From carboxylic acid
(c) From esters
(d) From Grignard reagent
Answer
self
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