NEET2006ChemistryChemistry in Everyday LifeActual
The pair whose both species are used in antiacid medicinal preparation is
Options
- ANaHCO ₃ and Mg ( OH )₂
- BNa ₂ CO ₃ and Ca ( HCO ₃ )₂
- CCa ( HCO ₃ )₂ and Mg ( OH )₂
- DCa ( OH )₂ and NaHCO ₃ .
Correct answer
A. NaHCO ₃ and Mg ( OH )₂
Step-by-step solution
Intestine is acidic due to formation of HCl during digestion. Excessive acidity in the intestine creates problem of intestinal ulcer, gastric reflux and oesophagitis. The compound which reduced or neutralise acidity are called antacids. aligned & NaHCO ₃+ HCl NaCl + H ₂ O + CO ₂ & Mg ( OH )₂+2 HCl MgCl ₂+2 H ₂ O aligned