Mix Test - 3...

Which of the following pairs will form the most stable ionic bond?

The correct order of the O – O bond length in O₂, H₂O₂ and O₃ is

Which of the following particles cannot exist?

Which of the following forms zig-zag like structure of threads in solid and liquid state?

Which of the following have maximum number of unpaired electrons?

The mass of H₂O₂ that is completely oxidised with 31.2 g of KMnO₄ (molar mass = 158 g mol^–1) in acidic medium is

The temperature at which root mean square speed of helium becomes equal to that of methane at 327°C is

The reaction of cyanamide, NH₂CN(s), with oxygen was run in a bomb calorimeter and at 300 K was found to be – 743 kJ mol^–1. The value of at 300 K for the combustion reaction NH₂CN(s) + O₂(g) N₂(g) + CO₂(g) + H₂O(l) would be

Which of the following orders regarding acidic strength in an aqueous solution is correct?

The correct sequence of hybridisation of methane, ethene and acetylene is

The brown haze of photochemical smog is largely attributed to

Match the following:

The plot of log k versus 1/T is linear with a slope of

_{^{Consider the reaction between potassium permanganate and a metal sulphite represented as follows.}}



Which of the following options about the process is correct?

Which of the following options will replace the question mark (?) in the given reaction?

CHCH + CH₃OH CH₃O - CH = CH₂