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Statement-I : cis-2-Butene on reacting with cold dilute slightly alkaline `KMnO_4` solution produces meso-2,3-butanediol.
Statement-II : The reaction involves anti addition of KMnO4 to the alkene.

Vitamin C is chemically -

0.395 gm. of an organic compound by carius method for the estimatyion of sulphur gave 0.582 gm of `BaSO_4.` The percentage of sulphur in the compound is -

Which one of the following crystals does not exhibit Frenkel defect ?

The units of rate of reaction and rate constant are same for a -

99% of a first order reaction was completed in 32 minutes, when 99.9% of the reaction will complete-

How many faradays are required to reduce 0.25 g of Nb(V) to the metal?

At the temperature of 373 K, 6g urea is dissolved 178.8 g water to form solution, the vapour pressure of solution is -

A buffer solution is made up of acetic acid `[pK_a = 5]` having conc. equal to 1.5 M and sodium acetate having conc. equal to 0.15 M. What is the number of `OH^–` ions present in 1 litre solution?

In a system A(s) `->` B(g) + 2C(g) doubling the equilibrium concentration of B will cause the equilibrium concentration of C to change to -

For the reaction
`2NO(g) + Cl_2(g) ->2NOCl(g)`
a reaction mixture containing NO(g) and `Cl_2(g)` at partial pressures of 0.373 atm and 0.310 atm, respectively, is taken and at equilibrium the total pressure of the system is found to be 0.544 atm. The value of `K_p` for the reaction is -

An ideal gas is allowed to expand under adiabatic conditions. Which of the following has zero value :

Predict the product of the following reaction -

Which is the best leaving group (LG) in a substitution reaction of an alkyl halide?

Correct order of thermal stability of group II A metal carbonate is -

When zeolite, which is hydrated sodium aluminium silicate is treated with hard water the sodiume ions are exchanged with -

Non-zero dipole moment is shown by -

Which statement is correct?

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