Question Answers
Sahay Sir > Question Answers
Calculate pH of a resultant solution of 0.1 M HA (Ka=10^−6) and 0.45 M HB (Ka=2×10^−6) at 25∘C.
18
Nov
Calculate pH of a resultant solution of 0.1 M HA (Ka=10^−6) and 0.45 M HB (Ka=2×10^−6) at 25∘C. Calculate pH of a resultant solution of 0.1 M HA (Ka=10^−6) and 0.45 M HB (Ka=2×10^−6) at 25∘C. November 18, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , Chapter 7 - Equilibrium [...]
Calculate pH of a resultant solution of 25 mL of 0.1 M HCl, 50 mL of 0.02 M HNO3 and 25 mL of 0.1M NaOH
18
Nov
Calculate pH of a resultant solution of 25 mL of 0.1 M HCl, 50 mL of 0.02 M HNO3 and 25 mL of 0.1M NaOH 50 mL of 0.02 M HNO3 and 25 mL of 0.1M NaOH Calculate pH of a resultant solution of 25 mL of 0.1 M HCl November 18, 2020 Category: Chapter [...]
Calculate approximate pH of 10^-10 M NaOH at 25∘C.
18
Nov
Calculate approximate pH of 10^-10 M NaOH at 25∘C. Calculate approximate pH of 10^-10 M NaOH at 25∘C. November 18, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , Chapter 7 - Equilibrium , N Awasthi Physical Chemistry ,
pH of 0.01 M aq. solution of HA is 4 . Find the value of pKa of HA at 25^∘C .
18
Nov
pH of 0.01 M aq. solution of HA is 4 . Find the value of pKa of HA at 25^∘C . pH of 0.01 M aq. solution of HA is 4 . Find the value of pKa of HA at 25^∘C . November 18, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level [...]
The compound molecular in nature in gas phase but ionic in solid state is (a) PCl5 (b) CCl4 (c) PCl3 (d) POCl3
18
Nov
The compound molecular in nature in gas phase but ionic in solid state is (a) PCl5 (b) CCl4 (c) PCl3 (d) POCl3 The compound molecular in nature in gas phase but ionic in solid state is (a) PCl5 (b) CCl4 (c) PCl3 (d) POCl3 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Calculate pOH of 0.1 M aq. Solution of weak base BOH (Kb=10^−7) at 25∘C.
18
Nov
Calculate pOH of 0.1 M aq. Solution of weak base BOH (Kb=10^−7) at 25∘C. Calculate pOH of 0.1 M aq. Solution of weak base BOH (Kb=10^−7) at 25∘C. November 18, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , Chapter 7 - Equilibrium , N Awasthi Physical Chemistry ,
The number of P-O-P bridges in the structure of phosphorous pentoxide and phophorous trioxide are respectively (a) 6, 6 (b) 5, 5
18
Nov
The number of P-O-P bridges in the structure of phosphorous pentoxide and phophorous trioxide are respectively (a) 6, 6 (b) 5, 5 5 6 (b) 5 The number of P-O-P bridges in the structure of phosphorous pentoxide and phophorous trioxide are respectively (a) 6 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
The element which forms oxides in all oxidation states +1 to +5 is (a) N (b) P (c) As (d) Sb
18
Nov
The element which forms oxides in all oxidation states +1 to +5 is (a) N (b) P (c) As (d) Sb The element which forms oxides in all oxidation states +1 to +5 is (a) N (b) P (c) As (d) Sb November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Which of the following compound is tribasic acid (a) H3PO2 (b) H3PO3 (c) H3PO4 (d) H4P2O7
18
Nov
Which of the following compound is tribasic acid (a) H3PO2 (b) H3PO3 (c) H3PO4 (d) H4P2O7 Which of the following compound is tribasic acid (a) H3PO2 (b) H3PO3 (c) H3PO4 (d) H4P2O7 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A diverging lens with magnitude of focal length 25cm is placed at a distance of 15cm from a converging lens of magnitude of focal length 20cm. A beam of parallel light falls on the diverging lens. The final image formed is.
18
Nov
A diverging lens with magnitude of focal length 25cm is placed at a distance of 15cm from a converging lens of magnitude of focal length 20cm. A beam of parallel light falls on the diverging lens. The final image formed is. In figure the number of reflections it makes before emerging form the other end [...]