The melting point of alkanes ___ with ___ in molecular weight.
remains constant, decreasing
decreases, increasing
increases, decreasing
increases, increasing
The melting point of alkanes increases with increase in molecular weight.
Melting point of alkanes increases with ___ in the molecule.
Consider the Arrhenius equation given below and mark the correct option. k=A.e−EaRT (a) Rate constant increases exponentially with increasing activation energy and decreasing temperature (b) Rate constant decreases exponentially with increasing activation energy and decreasing temperature (c) Rate constant increases exponentially with decreasing activation energy and decreasing temperature (d) Rate constant increases exponentially with decreasing activation energy and increasing temperature
Question 17 Value of Henry's constant K4.......... (a) increases with increase in temperature (b) decreases with increase in temperature (c) remains constant (d) first increases then decreases
Why does melting point of a substance decreases and boiling point of the substance increases ????