1 mole of ferric oxalate is oxidised by x mole of in acidic medium. Hence value of x is
In the reaction,
1-Phenyl ethyl chloride undergoes alkaline hydrolysis to give 1-phenyl ethanol with
The relative strength of boron trihalides as electron pair acceptors increases in the order as
Which trihalide is not hydrolysed ?
Which does not form precipitate with AgNO3 ?
When ammonia is added to green aqueous solution of nickel (II) sulphate,the colour of the solution changes to blue violet. This is caused by
The correct IUPAC name of
What is the maximum number of hydrogen bonds in which a water molecule can participate ?
Solubility of a salt A2B3 is 1x10-4 mol L-1 , itssolubility product is
If ammonia is added to pure water, the concentration of a chemical species already present will decrease. The species is
20 cm3 of xM solution of HCl is exactly neutralised by 40 cm3 or 0.5 M NaOH solution, the molarity of HCl solution is
In the given transformation, which of the following is the most appropriate reagent ?
Under what conditions of temperature and pressure the formation of atomic hydrogen from molecular hydrogen will be favoured most ?
(D) and (L) Configuration of above carbohydrate is
What are X and Y in the following reaction sequence
Copper sulphate solution reacts with KCN to give
Bakelite is obtained from phenol by reacting with
(no ring substitution) Product (A) is
The energy required to break one mole of Cl—Cl bonds in Cl2 is 242 kJ mol-1. The longest wavelength of light capable of breaking single Cl—Cl bond is
(c = 3 x 108 m sec-1, NA = 6.023 x 1023 mol-1)
Acetamide reacts with NaOBr in alkaline medium to form
A 0.6% urea solution is isotonic with
Product (D) will be
Identify the statement which is not correct regarding copper sulphate
What takes place when zinc metal is added to an aqueous solution containing magnesium nitrate and silver nitrate ?
1. Zn is oxidised
2. Mg2+ is reduced
3. Ag+ is reduced
4. No reaction
Consider the reaction, Cl2 (g) + 2Br- (aq) → Br2 (g) + 2Cl- (aq).The emf of the cell, when [Cl-] = [Br2] = [Br-] = 0.01 M and Cl2 gas is at 1 atm pressure, will be =0.29V
Which of the following statements is not true about potash alum ?
For the process, NH3 (g) + HCl(g) → NH4Cl(s);
Which of the following reaction sequences would be the best for synthesis of t-butyl alcohol ?
The half life period of a first order reaction is 10 minutes. The time required for the concentration of reactant to change form 0.08 M to 0.02 M is