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Question

Chemistry Question on Group 16 Elements

Which of the following chemical reactions depicts the oxidizing behaviour of H2SO4H_{2} SO_{4} ?

A

2HI+H2SO4I2+SO2+2H2O2HI+H_{2} SO_{4} \to I_{2}+SO_{2}+2H_{2}O

B

Ca(OH)2+H2SO4CaSO4+2H2OCa\left(OH\right)_{2}+H_{2} SO_{4}\to CaSO_{4}+2H_{2}O

C

Nacl+H2so4NaHSO4+HclNacl+H_{2} so_{4} \to NaHSO_{4}+Hcl

D

2pcl5+H2so42POcl3+2Hcl+so2cl22pcl_{5}+H_{2} so_{4} \to2POcl_{3}+2Hcl+so_{2}cl_{2}

Answer

2HI+H2SO4I2+SO2+2H2O2HI+H_{2} SO_{4} \to I_{2}+SO_{2}+2H_{2}O

Explanation

Solution

2HI1+H2+6SO4I20+SO2+4+2H2O2HI^{-1}+H_{2} ^{+6}SO_{4} \to I_{2}^{0}+SO_{2}^{+4}+2H_{2}O OxidisingagentH2SO4ReducedtoSO2Oxidising \, agent ^{H _{2}SO _{4} -Reduced to \to SO_{2}}