Recently Active Questions

Comprehension for 61-63 500 ml of 0.2 M aqueous solution of an acid HA is mixed with 500 ml of 0.2 M HCl at 298 K Ka of acid HA is 10-5 mol/L The degree of dissociation of acid is ...

STATEMENT-I: [NiCl4]2- is paramagnetic while [Ni(CN)4]2- is diamagnetic STATEMENT-II: [Ni(CN)4]2- is sp3 hybridized while [NiCl4]2- is dsp2 hybridized ...

STATEMENT-I: PCl5 exists but not NCl5 STATEMENT-II: Phosphorus has lower electronegativity than nitrogen ...

STATEMENT-I: CH3COOH is stronger acid than HCOOH STATEMENT-II: -CH3 is electron releasing group ...

STATEMENT-I: Direct nitration of aniline gives ortho and para-nitroaniline STATEMENT-II: -NH2 is ortho para directing group ...

STATEMENT-I: For spontaneous cell reaction, standard electrode potential of cell is greater than zero STATEMENT: ΔG=-nFE, so ΔG<0 implies E>0 ...

Given reaction 2HI(g) [eq] H2(g)+I2(g) Statement-I: Concentration of I2 can be increased by increasing the concentration of HI Statement-II: degree of dissociation of HI is affected only by change of temperature ...

Reasoning Type Statement-I: At 298 K, average kinetic energy of Helium atom is two times that of hydrogen molecule. Statement-II: Helium atom is two times heavier than a hydrogen molecule ...

Reasoning Type Statement-I: Work in adiabatic process is state function Statement-II: There is no exchange of heat by the system in adiabatic process ...

Which of the following have the same shape? ...

*Image* can be prepared from ...

2A(g) [eq] B(g)+C(g) the degree of dissociation is affected by ...

Multiple Correct Answers follows P4+N2O→P4O6+N2 3.1 gm of P4 is used, what amount of N2O can produce 5.5 gm of P4O6 ...

The acid having O-O bond is ...

Which of the following cannot show linkage isomerism? ...

The diastereomer of *Image* ...

CH3COOH SOCl2 >(A) H2/Pd BaSO4 >(B) B is ...

In Lucas test of alcohols, appearance of cloudiness is due to the formation of ...

The strongest acid among the following is ...

The number of structural isomers of the formula C5H10 is ...

The vapour pressure of a pure solvent(water) is 700 mm of Hg and vapour pressure of a solution of solute in water at same temperature is 600 mm of Hg ( wt. of solute is 10 gm and that of solvent is 18gm). What is the molecula ...

If E°Fe3+,Fe=x, E°Fe2+,Fe=y, then E°Fe3+,Fe2+= ...

234Th90 disintegrates emitting alpha and beta particles to give 206Pb82 as the final product. The no. of beta particles emitted is ...

1 gm of charcoal adsorbs 100 ml of 0.4 M CH3COOH to form a monolayer, and thereby the molarity of CH3COOH reduces to 0.395. The surface area of the molecule adsorbed by each molecule of acetic acid.(surface area of charcoal i ...

Straight Objective Type *Image* This electronic configuration violates ...

One mole of a monoatomic ideal gas goes through the process PT=constant from point A(P1,2T1) to point B(2P1,T1). The work done during the process is (given T1=300 K) ...

A flask(volume 1 litre) contains air, water vapour and liquid water. The total pressure is 150 mm Hg. It is connected to another two litre evacuated flask. The final pressure of the gas mixture is 90 mm Hg (Temperature remain ...

Straight Objective Type 3 gm of FeC2O4 reacts with 0.25 M KMnO4 solution. Volume of KMnO4 required is ...

Refer Prev Ques ...

Refer Prev Ques ...