Question on Quantum Numbers
How many electrons with azimuthal quantum number, l = 3 are present in an atom having atomic number 54?
Question on Atomic Weight
A mono atomic ion has the same atomic number and same atomic weight as its neutral atom. Is this statement true or false?
Question on Addition Reaction
When but-3-en-2-ol reacts with aq. HBr, how many products are formed and what are they?
Question on Nucleophilic Strength
Among CH3-, NH2-, OH- and F- which one is the best Nucleophile?
Question on Photochemical Bromination
What is the relative amounts of 1-bromopropane and 2-bromopropane obtained from the photochemical bromination of propane, if the relative reactivity of 1° : 2° : 3° Hydrogens to photochemical bromination is 1 : 82 : 1600?
Question on Unsaturation
The Molecular formula of an organic compound is C10H16 and takes 2 moles of hydrogen per mole of it. How many rings are likely to be present in its structure?
Question on Photochemical Chlorination
Isopentane, (CH3)2CH.CH2.CH3 can form four isomeric monochloro derivatives on photochemical Chlorination. How many of these are optically active?
Question on Nitrogen Oxides
Which oxide of Nitrogen is produced on heating a mixture of ammonium sulphate and sodium nitrate?
Question on Gaseous State
A gas is heated in such a way that its pressure and volume both becomes double. Then by decreasing temperature, some of the molecules of the air have been taken in container to maintain the doubled volume and pressure. Assuming one-fourth of initial number of moles has been taken in for the purpose, by what fraction the temperature must have been raised finally of initial absolute temperature?
Question on Dehydration
What does Orthophosphoric Acid give on strong heating?
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