Chemistry Test ...

In 500 ml of 0.2M-NaCl solution, 1500 ml of 0.4 M-MgCl₂ solution is mixed. The only incorrect final concentration of ion is (assume volume to be additive) :

Find enthalpy of neutralisation of NH₄OH and HCN in aqueous solution if enthalpy of ionisation of NH₄OH and HCN are 7 kJ/mol and 8 kJ/mol. also enthalpy of ionisation of H₂O is 57.3 kJ/mole.

Calculate the pH at the equivalence point in the titration of 25 mL of 0.10M formic acid with a 0.1M NaOH solution (given that pK_a of formic acid = 3.74). [log2 = 0.30]

Copper sulphate solution is electrolysed between two platinum electrodes. A current is passed until 1.6 g of oxygen is liberated at anode. The amount of copper deposited at the cathode during the same period is :  [At. mass of Cu = 63.6]

 Product (P) , Product P is :

Major product (P) of given reaction will not give ?

Give the product of the following reaction sequence- 

Which of the following nitrogen atom is maximum basic ?

Which of the following is reducing carbohydrate and show mutarotation :

Select correctly matched reaction with major product :