Chemistry Test ...

An unsaturated hydrocarbon X on ozonolysis gives A. Compound A when warmed with ammonical silver nitrate forms a bright silver mirror along the sides of the test tube. The unsaturated hydrocarbon X is:

Which of the following represents the correct order of increasing first ionization enthalpy for Ca, Ba, S, Se and Ar.

Iron is extracted from iron oxide using carbon monoxide as shown.

iron oxide + carbon monoxide → iron + carbon dioxide

Which statement is correct?

Which of the following is an unsaturated compound?

If \(\Delta \mathrm{H}\) is the change in enthalpy and \(\Delta \mathrm{E}\), the change in internal energy accompanying a gaseous reaction, then

At same temperature and pressure, equal volumes of gases contain the same number of:

Which of the following statements about the electron is incorrect?

Select the correct statement among the following:

The number of radial nodes for 3p orbital is:

Explain as to why haloarenes arc much less reactive than haloalkanes towards nucleophilic substitution reactions?