MCQ
According to dalton’s atomic theory, the smallest particle in which matter can exist, is called
- ✓an atom
- Ban ion
- Can electron
- Da molecule
$1.$ Matter is made up of very small undivisible particle called atoms.
$2.$ All the atoms of a given element is identical in all respect i.e. mass, shape, size, etc.
$3.$ Atoms cannot be created nor destroyed by any chemical process.
$4.$ Atoms of different elements are different in nature.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Statement $I$: Fluorine has most negative electron gain enthalpy in its group.
Statement $II$: Oxygen has least negative electron gain enthalpy in its group.
In the light of the above statements, choose the most appropriate from the options given below.
$CH_3 - CH = CH - CH_3 \xrightarrow{{{O_3}}} A $$\xrightarrow[{Zn}]{{{H_2}O}} B.$
The compound $B$ is