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AP EAMCET202419 May 2024Evening ShiftChemistryHydrogenActual

The correct statements among the following are i. Saline hydrides produce H ₂ gas when reacted with water ii. Presently 77 % of the industrial dihydrogen is produced from coal iii. Commercially marketed H ₂ O ₂ contains 3 % H ₂ O ₂

Options

  1. Ai, ii, iii
  2. Bi, iii only
  3. Cii, iii only
  4. Di, ii only

Correct answer

B. i, iii only

Step-by-step solution

(i) Saline hydrides like NaH react violently with water to librate hydrogen gas. (ii) Presently 77 % of the industrial dihydrogen is produced from petro-chemicals. (iii) Commercially marketed sample is 10 V which contains 3 % H ₂ O ₂

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