Q.1. Methyl alcohol is industrially prepared by the action of :
(A) CH₃COCH₃
(B) CO + H₂
(C) CH₃COOH
(D) C₂H₅OH
Ans :- (B)
Q.2. Which of the following alcohols will give the most stable carbocation during dehydration ?
(A) 2 – Methyl- 1 – propanol
(B) 2- Methyl- 2 – propanol
(C) 1- Butanol
(D) 2- Butanol
Ans :- (B)
Q.3. Which of the following alcohols gives 2- butene on dehydration by conc H₂SO₄ ?
(A) 2- methol propene -2 – ol
(B) 2- methyl 1- propanol
(C) Butane -2 – ol
(D) Butane 1- ol
Ans :- (C)
Q.4. General formula of Alkene is
(A) CₙH₂ₙ
(B) CₙH₂ₙ+₂
(C) CₙH₂ₙ-₂
(D) none of these
Ans :- (A)
Q.5. The process of converting alkylhalides into alcohols involves
(A) addition reaction
(B) substitution reaction
(C) dehydrohalogenation reaction
(D) rearrangement reaction
Ans :- (B)
Q.6. The chemical name of salol is
(A) Acetyl salicylic acid
(B) Sodium salicylate
(C) Phenyl salicylate
(D) Methyl salicylate
Ans :- (C)
Q.7. Which is miximum soluble in water ?
(A) n-Butyl alcohol
(B) Isobutyl alcohol
(C) tert-Butl alcohol
(D) sec-Butyl alcohol
Ans :- (C)
Q.8. The best reagent for the conversion RCH₂OH — RCHO is
(A) KMnO₄
(B) K₂Cr₂O₇
(C) CrO₃
(D) PCC
Q.9. The formula of phenol is
(A) C₆H₅OH
(B) C₂H₅OH
(C) C₃H₄OH
(D) C₆H₆
Ans :- (A)
Q.10. The formula of methanol is
(A) CH₃OH
(B) CH₃ONa
(C) HCHQ
(D) CH₄
Ans :- (A)
Q.11. How many primary alcohols are represented by C₅H₁₁OH ?
(A) Four
(B) Five
(C) Three
(D) Six
Ans :- (A)
Q.12. Which among the following acts as antifreeze ?
(A) Glycol
(B) Ethyl alcohol
(C) water
(D) methyl alcohol
Ans :- (A)
Q.13. Which of the following alcohols will give the most stable carbocation during dehydration ?
(A) 2-Methyl-1-propanol
(B) 2-Methyl-2-propanol
(C) 1-Butanol
(D) 2-Butanol
Ans :- (B)
Q.14. Primary, Secondary and Tertiary alcohols are distinguished by
(A) Oxidation method
(B) Lucas reagent method
(C) Victor Mayer’s method
(D) All of these
Ans :- (D)
Q.15. Ethyl acetate reacts with CH₃MgBr to form
(A) Secondary alcohol
(B) Tertiary alcohol
(C) Primary alcohol and acid
(D) Carboxylic acid
Ans :- (A)
Q.16. The most suitable reagent for the conversion of RCH₂OH — RCHO is
(A) K₂Cr₂O₇
(B) CrO₃
(C) KMnO₄
(D) PC
Ans :- (D)