Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)

In the formation of a molecule by an atom (a) Attractive forces operate (b) Repulsive force operate (c) Both attractive and repulsive operate (d) none of these In the formation of a molecule by an atom (a) Attractive forces operate (b) Repulsive force operate (c) Both attractive and repulsive operate (d) none of these December [...]

Consider the reactions. (i) (CH3)2CH – CH2Br + C2H5OH → (ii) (CH3)2CH – CH2Br + C2H5O- → The mechanisms of reactions (i) and (ii) are respectively Consider the reactions. (i) (CH3)2CH - CH2Br + C2H5OH → (ii) (CH3)2CH - CH2Br + C2H5O- → The mechanisms of reactions (i) and (ii) are respectively December 9, 2020 [...]

Among the following the weakest one is (a) Metallic bond (b) Ionic bond (c) Van der waal’s force (d) Covalent bond Among the following the weakest one is (a) Metallic bond (b) Ionic bond (c) Van der waal's force (d) Covalent bond December 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

Which of the following has the highest melting point (a) Pb (b) diamond (c) Fe (d) Na Which of the following has the highest melting point (a) Pb (b) diamond (c) Fe (d) Na December 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which one of the following is most reactive towards electophilic reagent Which one of the following is most reactive towards electophilic reagent December 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which of the following species is not electrophilic in nature (a) Cl (b) BH3 (c) H3O (d) NO2 Which of the following species is not electrophilic in nature (a) Cl (b) BH3 (c) H3O (d) NO2 December 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

In a SN^2 substitution reaction of the type R – Br + Cl- to R – Cl + Br- which one of the following has the highest relative rate In a SN^2 substitution reaction of the type R - Br + Cl- to R - Cl + Br- which one of the following has the [...]

The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of (a) Acid anhydride > Amide > Ester > Acyl chloride The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of (a) Acid anhydride > Amide > Ester > Acyl chloride December 9, 2020 Category: Uncategorised (JEE Advanced [...]

The order of decreasing reactivity towards an electrophilic reagent, for the following (A) Benzene (B) Toluene (C) Chlorobenzene and (D) Phenol would be for the following (A) Benzene (B) Toluene (C) Chlorobenzene and (D) Phenol would be The order of decreasing reactivity towards an electrophilic reagent December 9, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

Consider the following compounds (i) C6H5COCl (ii) O2N The correct decreasing order of their reactivity towards hydrolysis Consider the following compounds (i) C6H5COCl (ii) O2N The correct decreasing order of their reactivity towards hydrolysis December 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,