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PCl3 reacts with water to form (a) PH3 (b) H3PO3, HCl (c) POCl3 (d) H3PO4
18
Nov
PCl3 reacts with water to form (a) PH3 (b) H3PO3, HCl (c) POCl3 (d) H3PO4 HCl (c) POCl3 (d) H3PO4 PCl3 reacts with water to form (a) PH3 (b) H3PO3 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
P2O5 is heated with water to give (a) Hypophosphorus acid (b) Orthophosphorus acid (c) Hypophosphoric acid (d) Orthophosphoric acid
18
Nov
P2O5 is heated with water to give (a) Hypophosphorus acid (b) Orthophosphorus acid (c) Hypophosphoric acid (d) Orthophosphoric acid P2O5 is heated with water to give (a) Hypophosphorus acid (b) Orthophosphorus acid (c) Hypophosphoric acid (d) Orthophosphoric acid November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following expressions is/are true? (a) (H+) = (OH^-) = root Kw for a neutral solution
18
Nov
Which of the following expressions is/are true? (a) (H+) = (OH^-) = root Kw for a neutral solution Which of the following expressions is/are true? (a) (H+) = (OH^-) = root Kw for a neutral solution November 18, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , Chapter 7 - Equilibrium [...]
If concentration of two weak bases are same and degree of ionization (α) is very less, then their relative strength can be compared by:
18
Nov
If concentration of two weak bases are same and degree of ionization (α) is very less, then their relative strength can be compared by: If concentration of two weak bases are same and degree of ionization (α) is very less then their relative strength can be compared by: November 18, 2020 Category: Chapter 6 - [...]
Concentrated nitric acid oxidizes cane sugar to (a) CO2 and H2O (b) CO and H2O (c) CO, CO2 and H2O (d) Oxalic acid and water
18
Nov
Concentrated nitric acid oxidizes cane sugar to (a) CO2 and H2O (b) CO and H2O (c) CO, CO2 and H2O (d) Oxalic acid and water CO2 and H2O (d) Oxalic acid and water Concentrated nitric acid oxidizes cane sugar to (a) CO2 and H2O (b) CO and H2O (c) CO November 18, 2020 Category: Uncategorised [...]
In fig. battery of e.m.f. E has internal resistance r and a variable resistor. At an instant, a current flowing through the circuit is i, a potential difference between the terminals of a cell is V, thermal power developed in the external circuit is P and thermal power developed in the cell is equal to fraction η of total electricity generated in ti. Which of the following graphs is/are correct?
18
Nov
In fig. battery of e.m.f. E has internal resistance r and a variable resistor. At an instant, a current flowing through the circuit is i, a potential difference between the terminals of a cell is V, thermal power developed in the external circuit is P and thermal power developed in the cell is equal to [...]
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a current flowing through the circuit is i ,
a potential difference between the terminals of a cell is V ,
In fig. battery of e.m.f. E has internal resistance r and a variable resistor. At an instant ,
thermal power developed in the external circuit is P and thermal power developed in the cell is equal to fraction η of total electricity generated in ti. Which of the following graphs is/are correct? ,
Two bulbs 25 W , 100 V ( upper bulb in figure ) and 100 W , 200 V ( lower bulb in figure ) are connected in the circuit as shown in figure. choose the correct answer.
18
Nov
Two bulbs 25 W , 100 V ( upper bulb in figure ) and 100 W , 200 V ( lower bulb in figure ) are connected in the circuit as shown in figure. choose the correct answer. 100 V ( upper bulb in figure ) and 100 W 200 V ( lower bulb in [...]
Pure N2 gas is obtained from (a) NH3 + NaNO2 (b) NH4Cl + NaNO2 (c) N2O + Cu (d) (NH4)2Cr2O7
18
Nov
Pure N2 gas is obtained from (a) NH3 + NaNO2 (b) NH4Cl + NaNO2 (c) N2O + Cu (d) (NH4)2Cr2O7 Pure N2 gas is obtained from (a) NH3 + NaNO2 (b) NH4Cl + NaNO2 (c) N2O + Cu (d) (NH4)2Cr2O7 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
If concentration of two weak acids are different and D.O.D. (α) is very less, then their relative strength can be compared by:
18
Nov
If concentration of two weak acids are different and D.O.D. (α) is very less, then their relative strength can be compared by: If concentration of two weak acids are different and D.O.D. (α) is very less then their relative strength can be compared by: November 18, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 [...]
Two electric bulbs rated 25 W, 220 V and 100 W , 220 V are connected in series across a 220 V voltage source. The 25 W and 100 W bulbs now draw P1 and P2 powers, respectively.
18
Nov
Two electric bulbs rated 25 W, 220 V and 100 W , 220 V are connected in series across a 220 V voltage source. The 25 W and 100 W bulbs now draw P1 and P2 powers, respectively. 220 V and 100 W 220 V are connected in series across a 220 V voltage source. [...]