Chemistry MSc

Q: Which pair of elements will combine to form an ionic compound ?

(a) :  Carbon and chlorine
(b) :  Flourine and sodium
(c) :  Hydrogen and oxygen
(d) :  Oxygen and carbon
(e) :  None of the Above
Answer:  Flourine and sodium
Explanation:  F readily loses an electron and Na readily gains an electron to form F- and Na+ respectively thus achieving stable noble gas configuration.

Q: Alkylation of benzene gives:

(a) :  benzene sulphonic acid
(b) :  nitrobenzene
(c) :  maleic anhydride
(d) :  toluene
(e) :  None of the Above
Answer:  toluene

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