Which among the following statements are true for the complex $[Co(NH_3)_6][Cr(CN)_6]$?
(i) It is a non-electrolyte
(ii) The magnitude of the charge on each complex ion is three
(iii) The complex will not conduct current in aqueous solution
(iv) The complex will exhibit co-ordination isomerism
(v) The magnitude of the charge on each complex ion is one

The pair of species with the same bond order is

Consider the following compounds:

The root mean square velocity of an ideal gas at constant pressure varies with density (d) as

Which of the following compound is a peroxide?

In van der Waals equation of state for a non-ideal gas, the term that accounts for inter molecular forces is

The reaction of white phosphorus with aqueous NaOH gives phosphine alongwith another phosphorus containing compound. The reaction type, the oxidation states of phosphorus in phosphine and the other product respectively are:

The substance used as a smoke screen in warfare is

The given graph represent the variations of z (compressibility factor (Z)= $ \dfrac{pV}{nRT}$ ) versus p, for three real gas A, B and C. Identify the only incorrect statement.

In the dichromate dianion