Recently Active Disucss Test Question Questions

*Image* (A) *Image* (B) ...

How many optical isomers are possible for tartaric acid(COOHCHOHCHOHCOOH)? ...

The diastereomer of *Image* ...

Consider the following compound *Image* To make it a chiral compound, the attack should be on carbon ...

(+)-Mandelic acid has a specific rotation of +158°. What would be the observed specific rotation of a mixture of 25% (-)-Mandelic acid and 75% (+)-Mandelic acid ? ...

n-butane on heating with anhydrous AlCl3 gives ...

The highest boiling point is expected for ...

A hydrocarbon with molecular formula C8H18 gives only one monochloro derivative. The hydrocarbon is ...

The compound with highest boiling point is ...

Which of the following compounds liberates methane when treated with water? ...

The reagent used for the conversion CH3CH2COOH→CH3CH2CH3 ...

(CH3)3CMgCl on reaction with D2O produces ...

Which of the following cannot be prepared by Wurtz reaction? ...

The reaction A---> B follows first order kinetics. The time taken for 0.8 mole to produce 0.6 mole of B is 1 hour.What is the time taken for conversion of 0.9 mole of A to produce 0.675 mole of B? ...

The time taken for 90% of a first order reaction to complete is approximately ...

If the half life reaction for a reaction is 4min, then the time after which the reaction is 99.9% complete is: ...

For the reaction A(g)+B(s) [eq] 2C(g)+D(s) Kp=1.33×10-5 at 75°C. What will be the mole fraction of C in the vapour at 75°C and 1 atm pressure? ...

H2+I2 [eq] 2HI A mixture of H2 and I2 was heated to 1000 K until the above equilibrium was established. Kc=2.1×10-3. At equilibrium the mole percent of HI was 1.8. Find the mole fraction of I2 in the initial mixture(give ...

N2O4 [eq] 2NO2 N2O4 is 20% dissociated at 27°C and 1 atm pressure. Find the % dissociation at 27°C and 0.1 atm pressure ...

For the reaction A(g)+B(s) [eq] 2C(g)+D(s) Kp=1.33×10-5 at 75°C. What will be the mole fraction of C in the vapour at 75°C and 1 atm pressure? ...

H2+I2 [eq] 2HI A mixture of H2 and I2 was heated to 1000 K until the above equilibrium was established. Kc=2.1×10-3. At equilibrium the mole percent of HI was 1.8. Find the mole fraction of I2 in the initial mixture(give ...

N2O4 [eq] 2NO2 N2O4 is 20% dissociated at 27°C and 1 atm pressure. Find the % dissociation at 27°C and 0.1 atm pressure ...

A 10 g mixture of CuS and Cu2S was treated with 400 ml of 0.32 M KMnO4 in acidic medium producing SO2. The SO2 gas was boiled off and the excess KMnO4 was titrated with 80 ml of 1 M FeSO4 solution. Calculate the percentage co ...

50 ml of 1 M HCl, 25 ml of 4 M HNO3 and x ml of 5 M H2SO4 are mixed together and the total volume is made up to 1 L with water. 100 ml of this acid mixture exactly neutralizes 25 ml of 1 N of NaOH solution. The value of x is ...

Phosphorus and oxygen react to form P4O6 & P4O10. Equal weights of phosphorus are used and are completely exhausted. Find the ratio of weight of P4O6 & P4O10 formed ...

A solution of H2O2 is titrated with a solution of KMnO4 in acidic condition. It requires 50 ml of 0.235 M KMnO4 to oxidize 10 g H2O2. The mass percentage of H2O2 is ...

500 ml of 2 M HCl and 500 ml of 6 M HCl are given. What will be the maximum volume of 5 M HCl that you can make from these two solutions? ...

tan3a-tan2a-tana= (a≠n.pi/2) ...

equal volumes of aqueous solution of 10-8 M HCl and 10-8 M NaOH are mixed, find the resultant pH ...

In a litre of water, 10-8 mole of NaOH is added first and then 10-8 M of HCl is added. The pH of the resultant solution is ...