AP EAMCET20226 Jul 2022Evening ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual
Identify A, B, C and D in the reactions (I) x Cl ₂+y NaOH A+B+ H ₂ O (l) (Cold, dil) (II) x Cl ₂+y NaOH C + D + H ₂ O (l) (Hot, conc.)
Options
- ANaCl , HCl , NaOCl , NaClO ₃
- BNaCl , NaOCl , NaCl , NaClO ₃
- CNaCl , NaOCl ₃, NaCl , NaOCl
- DNaOCl , Na ₂ O , NaOCl , NaO ₂
Correct answer
B. NaCl , NaOCl , NaCl , NaClO ₃
Step-by-step solution
When chlorine reacts with NaOH , different products are formed depending upon the temperature and concentration of NaOH . aligned & Cl ₂+2 NaOH NaCl + NaOCl + H ₂ O & (Cold and dil.) & 3 Cl ₂+6 NaOH 5 NaCl + NaClO ₃+3 H ₂ O & aligned (Hot and conc.) So, A= NaCl , B= NaOCl , C= NaCl , D= NaClO ₃