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JEE Mains · Chemistry · STD 11 - 1. Some basic concept of chemistry

\(250\,g\,D\)-ग्लूकोस के जलीय विलयन में, द्रव्यमान द्वारा \(10.8 \%\) कार्बन समावेशित है। विलयन की मोललता \(.......\) के निकटतम हैं। (दिया है : परमाणु द्रव्यमान हैं: \(H , 1\,u ; C , 12\,u\); \(O , 16\,u )\)

  1. A \(1.03\)
  2. B \(2.06\)
  3. C \(3.09\)
  4. D \(5.40\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(2.06\)

Step-by-step Solution

Detailed explanation

\(C _{6} H _{12} O _{6} \rightarrow\) Glucose We know: \(\frac{\text { mass of } C }{\text { mass of glucose }}=\frac{72}{180}\) Given: \(\% C =10.8=\frac{\text { mass of } C }{\text { mass of solution }} \times 100\) \(\frac{10.8 \times 250}{100}=\) mass of \(C \Rightarrow\)…
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