MCQ
Select the molecule which has only one $\pi - {\rm{bond}}$
- A$CH \equiv CH$
- B$C{H_2} = CHCHO$
- ✓$C{H_3}CH = C{H_2}$
- D$C{H_3}CH = CHCOOH$
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$(I)$ The radius of an anion is larger than that of the parent atom.
$(II)$ The ionization energy generally increases with increasing atomic number in a period.
$(III)$ The electronegativity of an element is the tendency of an isolated atom to attract an electron.
Which of the above statements is/are correct?
$CS_2 + 3O_2 \to 2SO_2 + CO_2$
