Which of the following reagent(s) gives the reaction below (A) C_2H_5MgBr/H_5O^+

Question

Which of the following reagent(s) gives the reaction below (A) C_2H_5MgBr/H_5O^+ (B) CH_3MgBr/H_3O^+ (C) NaBH/H_5O^- (D) LiAIH_/H_ O^- (E) (C_2H_5)_2CuLi/H)5O^- Product of the following reaction (A) cyclohexanol (B) cis-1, 2-cyclohexanediol (C) trans-1, 2-cyclohexanediol (D) cis-1, 3-cyclohexanediol (E) trans-1, 3-cyclohexanediol Which of the following reagent(s) can be used to prepare a mixture of o and p-nitro toluene from toluene (A) HNO_2 (B) HNo_3 (C) HNO_3/Fe (D) HNO_3/H_2SO_4 (E) NaNO_2 Friedal-Craft alkylation reagent(s) (A) C_2H_5Cl/AlCl_3 (B) Cl_2/CH_3COCl (C) CH_3COCl/AlCl_3 (D) CH_3COCl/FeCl_3 (E) CH_3Cl/FeCl_3 Which of the following function groups are sigma, rho -directing? (A) NO_2, SO_3H, CHO (B) Br, NH_2, COOH (C) I, OH, CH_3 (D) OCH_5, Cl, COCH_3 (E) COCH_5, SO_2H, Br Nucleophile in the mechanism of Lithium aluminum hydride reduction of phenylethanoic acid is (A) lithium ion (B) hydrogen ion (C) carboxylic acid carbon (D) aluminum ion (E) hydride ion Major product in the reaction of benzene with 1-bromopropane, in the presence of AIBr_3 catalyst (A) bromobenzene (B) n-propylbenzene (C) iso-propylbenzene (D) o-bromo-n-propylbenzene (E) p-bromo-n-propylbenzene Which of the following diene is a conjugated diene? (A) 2-methyl, 1, 5-hexadiene (B) 2, 5-hexadiene (C) 1-methyl, cyclohexa-1, 4-diene (D) cyclohexa-1, 4-diene (E) 2-methly, 2, 4-hexadiene Major product in the reaction ob benzaldehyde with Cl_1/FeCl_3 (A) p-chlorobenzaldehyde (B) o-chlorobenzaldehyde (C) m-chloro benzaldehyde (D) chlorobenzene (E) phenol Which of the following reagent(s) can be used to convert nitrobenzene to m-nitrobenzene sulfonic acid (A) H_2SO_3 (B) SO_3/Fe (C) H_2SO_3/Fe (D) H_2SO_4/Al_2(SO_4)_3 (E) H_2SO_4SO_3 The aromatic compound is Which of the following reagent(s) gives the reaction below (A) CH_3Cl (B) Cl_2/Fe (C) Cl_2/AlCl_3 (D) Cl_2/FeCl_3 (E) PCC Which of the following reagent(s) can be used to prepare 2-methly1, 2-butanol from acetone? (A) C_2H_5MgBr (B) C_2H_5Mgbr/H_3O^- (C) NaBH_4/H_3O^+ (D) n-C_3H_7MgBr/H_3O^- (E) PCC Which of the following reagent(s) gives the reaction below (A) CH_3MgBr/H_3O^+ (B) BH_3/THF (C) NaBH_4/H_3O^+ (D) C_2H_5Mgbr/H_3O^- (E) LiAlH_4/H_3O^+

Explanation / Answer

Answer-

11) The reagent used in given reaction is methylmagnesiumbromide.

12) the product of given reaction is trans-1,2-cyclohexanediol.

13) HNO3/H2SO4 is used as reagent.

14) Friedal Craft alkylation reagent is C2H5Cl/AlCl3.

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