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

In which reaction there is a change in valency (a) 2NO2 gives N2O4 (b) 2NO2 +H2O gives HNO2 +HNO3 (c) NH4OH gives NH4^+ + OH^- In which reaction there is a change in valency (a) 2NO2 gives N2O4 (b) 2NO2 +H2O gives HNO2 +HNO3 (c) NH4OH gives NH4^+ + OH^- November 23, 2020 Category: Uncategorised [...]

Which of the following structures is the most preferred and hence of lowest energy for SO3 Which of the following structures is the most preferred and hence of lowest energy for SO3 November 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Copper turnings when heated with concentrated sulphuric acid will give (a) SO2 (b) SO3 (c) H2S (d) O2 Copper turnings when heated with concentrated sulphuric acid will give (a) SO2 (b) SO3 (c) H2S (d) O2 November 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The correct order of N-compounds in its decreasing order of oxidation states is (a) HNO3, NO, N2, NH4Cl n2 NH4Cl NO+ The correct order of N-compounds in its decreasing order of oxidation states is (a) HNO3 November 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The oxidation state of nitrogen is highest in (a) N3H (b) NH2OH (c) N2H4 (d) NH3 The oxidation state of nitrogen is highest in (a) N3H (b) NH2OH (c) N2H4 (d) NH3 November 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The correct formula of salt formed by the neutralisation of hypophosphorus acid with NaOH is (a) Na3PO2 (b) Na3PO3 (c) NaH2PO2 (d) Na2HPO2 The correct formula of salt formed by the neutralisation of hypophosphorus acid with NaOH is (a) Na3PO2 (b) Na3PO3 (c) NaH2PO2 (d) Na2HPO2 November 23, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

What is the oxidation number of Co in [ Co ( NH3 )4 ClNO2 ] (a) +2 (b) +3 (c) +4 (d) +5 What is the oxidation number of Co in [ Co ( NH3 )4 ClNO2 ] (a) +2 (b) +3 (c) +4 (d) +5 November 23, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

Which of the following has the highest proton affinity (a) Stibine (SbH3) (b) Arsine (AsH3) (c) Phosphine (PH3) (d) Ammonia (NH3) Which of the following has the highest proton affinity (a) Stibine (SbH3) (b) Arsine (AsH3) (c) Phosphine (PH3) (d) Ammonia (NH3) November 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

P2O5 is used extensively as a/an (a) Reducing agent (b) Oxidizing agent (c) Dehydrating agent (d) Preservative P2O5 is used extensively as a/an (a) Reducing agent (b) Oxidizing agent (c) Dehydrating agent (d) Preservative November 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which of the following oxide of nitrogen is most thermally stable (a) N2O5 (b) N2O (c) NO (d) N2O3 Which of the following oxide of nitrogen is most thermally stable (a) N2O5 (b) N2O (c) NO (d) N2O3 November 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,