An alkyne with molecular formula C5H8 was treated with sodium in liquid ammonia to give a disubstituted alkene with molecular formula C5H10. Draw the structure of the alkene.

answer: the rate of diffusion increases with increase in temperature.

increase in temperature, increases the molecular/particles speed (kinetic energy. diffusion means movement of particles through the material.

generally, the heavier the particle the more it interacts with the environment and more the temperature matters. so higher temperature results in higher diffusion.

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.