2 HCl + 2 NaH + C5H8O2 → 2 NaCl + C5H12O2

This is an acid-base reaction (neutralization): HCl is an acid, NaH is a base.

This is an oxidation-reduction (redox) reaction:

5 C-4/5 + 4 e- → 5 C-8/5 (reduction)

2 H-I - 4 e- → 2 HI (oxidation)

C5H8O2 is an oxidizing agent, NaH is a reducing agent.

Reactants:

  • HCl – Chlorane source: wikipedia, accessed: 2019-09-27, Hydrogen chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Hydrochloric acid source: wikipedia, accessed: 2019-09-27source: NIOSH NPG, accessed: 2019-09-02, Hydrochloric acid gas source: wikipedia, accessed: 2019-09-27, HCl source: wikidata, accessed: 2019-09-02
    • Appearance: Colorless, transparent liquid, fumes in air if concentrated source: wikipedia, accessed: 2019-09-27; Colorless gas source: wikipedia, accessed: 2019-09-27; Colourless compressed liquefied gas with pungent odour source: ICSC, accessed: 2019-09-04; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.] source: NIOSH NPG, accessed: 2019-09-02
  • NaH
    • Names: Sodium hydride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Appearance: White or grey solid source: wikipedia, accessed: 2019-09-27
  • C5H8O2

Products:

  • NaCl – Sodium chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Salt source: wikidata, accessed: 2019-09-02, Table salt source: wikidata, accessed: 2019-09-02, Common salt source: wikidata, accessed: 2019-09-02
    • Appearance: Colorless cubic crystals source: wikipedia, accessed: 2019-09-27
  • C5H12O2 – 2,2-Dimethylpropane-1,3-diol source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04
    • Other names: Neopentyl glycol source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, 2 source: wikipedia, accessed: 2019-09-27, 2-Dimethyl-1 source: wikipedia, accessed: 2019-09-27
    • Appearance: Colourless-to-white hygroscopic crystals source: ICSC, accessed: 2019-09-04