Sulphur in vapour state exhibits paramagnetic behaviour, Define the followi...

Define the following observations: (i) Most of the known noble gas compounds are those of xenon. (ii) CIF3 exists but FCI 3 does not. (iii) Between the hydrides of elemen

Chemical in cosmetics, Chemical in cosmetics The phrase cosmetics are t...

Chemical in cosmetics The phrase cosmetics are taken from the Greek word Kosmetikos. The meaning of this is decorating. Beautifying or enhancing complexion of skin. In middle a

Ionic bond,

Find the number of degrees of freedom, Q. Consider a single-phase system th...

Q. Consider a single-phase system that is a gaseous mixture of N 2 , H 2 , and NH 3 . For each of the following cases, find the number of degrees of freedom and give an example of

Elements, which element is the largest size halogen.

which element is the largest size halogen.

Explain cmr spectrum, Explain CMR spectrum 2,2-Dimethyl-1-propanamine (...

Explain CMR spectrum 2,2-Dimethyl-1-propanamine (neopentylamine, (CH 3 ) 3 CCH 2 NH 2 ) has a maximum of three resonances in its CMR spectrum.  2-Methyl-2-butanamine, CH 3 CH 2

Determine electrons in carbon atom, The number of unpaired electrons in ca...

The number of unpaired electrons in carbon atom in excited state is: (1) One  (2) Two          (3) Three      (4) Four Ans: Four

Determine the formula of the compound, A compound is prepared by two elemen...

A compound is prepared by two elements N and M. The element N forms ccp structure and atoms of M occupy 1/3rd of tetrahedral voids. Determine the formula of the compound ?

Total number of unpaired electrons in an atom, Total number of unpaired ele...

Total number of unpaired electrons in an atom of atomic number 29 is: (1) 1        (2) 3        (3) 4        (4) 2 Ans: 1

Benefits of flame photometry, Benefits of flame photometry: The subseq...

Benefits of flame photometry: The subsequent are the main advantages of flame photometry. It gives high sensitivity and high reliability for the determination of elemen