Question Answers

What is the product of the reaction of H2O2 with Cl2 (a) O2 + HOCl (b) HCl + O2 (c) H2O + HCl (d) HCl + H2 What is the product of the reaction of H2O2 with Cl2 (a) O2 + HOCl (b) HCl + O2 (c) H2O + HCl (d) HCl + H2 November [...]

In a meter bridge experiment, the null point is obtained at 20 cm from one end of the wire when resistance X is balanced against another resistance Y. If X< Y, then where will the new position of the null point be from the same end, if one decides to balance a resistance of 4X [...]

The length of a wire of a potentiometer is 100 cm, and the emf of its standard cell is E volt. It is employed to measure the emf of a battery whose internal resistance is 0.5Ω. If the balance point is obtained at l=30 cm from the positive end, the emf of the battery is [...]

The laboratory method for the preparation of H2O2 is by (a) H2SO4 (b) NH4HSO4 The laboratory method for the preparation of H2O2 is by (a) H2SO4 (b) NH4HSO4 November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

There is a sample of 10 volume of hydrogen peroxide solution. Calculate its strength (a) 3.00% (b) 4.045 % (c) 2.509% (d) 3.035% There is a sample of 10 volume of hydrogen peroxide solution. Calculate its strength (a) 3.00% (b) 4.045 % (c) 2.509% (d) 3.035% November 13, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

The resisatnce of a galvanometer is 10 ohm . It gives full – scale deflection when 1 mA current i spassed. The resistance connected in series for converting it into a voltmeter of 2.5 V will be The resisatnce of a galvanometer is 10 ohm . It gives full - scale deflection when 1 mA [...]

In which of the following reactions, H2O2 acts as a reducing agent (a) PbO2(s) + H2O2(aq) to PbO(s) + H2O + O2(g) H2O2 acts as a reducing agent (a) PbO2(s) + H2O2(aq) to PbO(s) + H2O + O2(g) In which of the following reactions November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

In teh circuit shown in figure , the galvanometerG shows zeo deflection . If the batteries A and B have negligible internal resistance, the value of the resistor R will be In teh circuit shown in figure the galvanometerG shows zeo deflection . If the batteries A and B have negligible internal resistance the value [...]

Which one of the following undergoes reduction with hydrogen peroxide in an alkaline medium (a) Mn 2+ (b) HOCl (c) PbS (d) Fe 2+ Which one of the following undergoes reduction with hydrogen peroxide in an alkaline medium (a) Mn 2+ (b) HOCl (c) PbS (d) Fe 2+ November 13, 2020 Category: Uncategorised (JEE Advanced [...]

The strength of H2O2 (in g/litre) in 11.2 volume solution of H2O2 is (a) 17 (b) 51 (c) 34 (d) 85 (e) 68 The strength of H2O2 (in g/litre) in 11.2 volume solution of H2O2 is (a) 17 (b) 51 (c) 34 (d) 85 (e) 68 November 13, 2020 Category: Uncategorised (JEE Advanced Physics by [...]