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AP EAMCET201825 Apr 2018Morning ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Hot concentrated sulphuric acid on reaction with which one of the following elements, produces two gaseous products?

Options

  1. AC
  2. BS
  3. CCu
  4. DZn

Correct answer

A. C

Step-by-step solution

Carbon C is the element oxidised by concentrated H 2 SO 4 to give two gaseous products. C + 2 H 2 SO 4 ​ → CO 2 ​ + 2 SO 2 ​ + 2 H 2 O Here, CO 2 and SO 2 are two gaseous products.

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