Question Answers

The correct statement(s) about the oxoacids, HClO4 and HClO, is (are) (a) The central atom in both HClO4 and HClO is sp3 hybridized HClO4 and HClO is (are) (a) The central atom in both HClO4 and HClO is sp3 hybridized The correct statement(s) about the oxoacids November 29, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

The compound(s) with TWO lone pairs of electron on the central atom is (are) (a) BrF5 (b) ClF3 (c) XeF4 (d) SF4 The compound(s) with TWO lone pairs of electron on the central atom is (are) (a) BrF5 (b) ClF3 (c) XeF4 (d) SF4 November 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

The crystalline form of borax has (a) Tetranuclear (B4O5(OH)4)2- unit (b) All boron atoms in the same plane The crystalline form of borax has (a) Tetranuclear (B4O5(OH)4)2- unit (b) All boron atoms in the same plane November 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The nitrogen containing compound produced in the reaction of HNO3 with P4O10 (a) Can also be prepared by reaction of P4 and HNO3 The nitrogen containing compound produced in the reaction of HNO3 with P4O10 (a) Can also be prepared by reaction of P4 and HNO3 November 29, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

The correct statement(s) regarding (1) HClO, (2) HClO2, (3) HClO3 and (4) HClO4 is (are) (a) The number of Cl = O bonds in (2) and (3) together is two (2) HClO2 (3) HClO3 and (4) HClO4 is (are) (a) The number of Cl = O bonds in (2) and (3) together is two The [...]

The correct statement(s) for orthoboric acid is / are (a) It behaves as a weak acid in water due to self ionization (b) Acidity of its aqueous solution increases upon addition of ethylene glycol The correct statement(s) for orthoboric acid is / are (a) It behaves as a weak acid in water due to self [...]

The pair(s) of reagents that yield paramagnetic species is/are (a) Na and excess of NH3 (b) K and excess of O2 (c) Cu and dilute HNO3 The pair(s) of reagents that yield paramagnetic species is/are (a) Na and excess of NH3 (b) K and excess of O2 (c) Cu and dilute HNO3 November 29, 2020 [...]

The correct statement(s) about O3 is (are) (a) O-O bond lengths are equal (b) Thermal decomposition of O3 is endothermic The correct statement(s) about O3 is (are) (a) O-O bond lengths are equal (b) Thermal decomposition of O3 is endothermic November 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

With respect to graphite and diamond, which of the statement(s) given below is (are) correct (a) Graphite is harder than diamond which of the statement(s) given below is (are) correct (a) Graphite is harder than diamond With respect to graphite and diamond November 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

The reagent (s) used for softening the temporary hardness of water is (are) (a) Ca3(PO4)2 (b) Ca(OH)2 (c) Na2CO3 (d) NaOCl The reagent (s) used for softening the temporary hardness of water is (are) (a) Ca3(PO4)2 (b) Ca(OH)2 (c) Na2CO3 (d) NaOCl November 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]