Question

if the image formed by a spherical mirror for all positions of object placed in front of it is always erect and diminished,what type of mirror is it ? draw labelled ray diagram to support your answer.
a compound x on heating with excess conc.sulphuric acid at 443 k gives an unsaturated compound y x also reacts with sodium metal evolve a colourless gas z

Answer 1

Answer:

compound x is ethanol and compound y is ethene and gas z is hydrogen.

Explanation:

when ethanol heated at 443k and with excess of sulphuric acid then ethene formed which is unsaturated hydrocarbon.

when ethanol reacts with sodium than salt and hydrogen gas evolve.

I hope it will help you..