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JEE Mains · Chemistry · STD 11 - 9. Hydricarbon

निम्नलिखित अभिक्रिया में अभिक्रिया \(I\) की \(\%\) लब्धि \(60 \%\) तथा अभिक्रिया \(II\) की \(50 \%\) है। पूर्ण अभिक्रिया के लिए समग्र लब्धि \(.............\%\) है। [निकटतम पूर्णाक में]

  1. A \(31\)
  2. B \(32\)
  3. C \(33\)
  4. D \(30\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(30\)

Step-by-step Solution

Detailed explanation

Moles of benzene sulphonic acid before reaction \(II =0.6\,n\) Moles obtained for phenol (with \(\%\) yield \(=50 \%\) ) = \(0.6 \times 0.5\,n=0.3\,n\) So over all \(\%\) yield of complete reaction \(=\frac{0.3\,n }{ n } \times 100=30\)
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