Science
(a) Write the name and structure of an organic compound 'X' having two carbon atoms in its molecule and its name is suffixed with '— ol'.
(b) What happens when 'X' is heated with excess concentrated sulphuric acid at 443 K? Write chemical equation for the reaction stating the conditions for the reaction. Also state the role played by concentrated sulphuric acid in the reaction.
(c) Name and draw the electron dot structure of hydrocarbon produced in the above reaction.
Related Questions
A gas 'X' which is a deadly poison is found at the higher levels of atmosphere and performs an essential function.
Name the gas and write the function performed by this gas in the atmosphere. Which chemical is linked to the decrease in the level of this gas? What measures have been taken by an international organization to check the depletion of the layer containing this gas?
(a) Define a homologous series of carbon compounds.
(b) Why is the melting and boiling points of C4H8 higher than that of C3H6 or C2H4?
(c) Why do we NOT see any gradation in chemical properties of a homologous series compounds?
(d) Write the name and structures of (i) aldehyde and (ii) ketone with molecular form C3H6O.
(a) Name three techniques/devices used by human females to avoid pregnancy. Mention the side effects caused by each.
(b) What will happen if in a human female
- fertilisation takes place,
- an egg is not fertilised?
(a) Draw a diagram showing spore formation in Rhizopus and label the (i) reproductive and (ii) non-reproductive parts. Why does Rhizopus not multiply on a dry slice of bread?
(b) Name and explain the process by which reproduction takes place in Hydra.