Question 7 Which among the following is (are) double displacement rea – InterviewSolution

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1.	Question 7 Which among the following is (are) double displacement reaction(s)? (i) Pb+CuCl2→PbCl2+Cu (ii) Na2SO4+BaCl2→BaSO4+2NaCl (iii) C+O2→CO2 (iv) CH4+2O2→CO2+2H2O (a) (i) and (iv) (b) (ii) only (c) (i) and (ii) (d) (iii) and (iv)
Answer» Question 7 Which among the following is (are) double displacement reaction(s)? (i) $Pb + {CuCl}_{2} \to {PbCl}_{2} + Cu$ (ii) ${Na}_{2} {SO}_{4} + {BaCl}_{2} \to {BaSO}_{4} + 2 NaCl$ (iii) $C + O_{2} \to {CO}_{2}$ (iv) ${CH}_{4} + 2 O_{2} \to {CO}_{2} + 2 H_{2} O$ (a) (i) and (iv) (b) (ii) only (c) (i) and (ii) (d) (iii) and (iv)

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