1.

(A) Ammonia is least volatile among MH_(3) type hydrides of group VA elements. (R ) Molecules of ammonia are held together by strong electrostatic forces

Answer»

Both (A) and (R ) are TRUE and (R ) is the CORRECT explanation of (A)
Both (A) and (R ) are true and (R ) is not the correct explanation of (A)
(A) is true but (R ) is FALSE
Both (A) and (R ) are false

Answer :4


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