\(P _4\) ના એક \(mole\) સાથે \(SOCl _2\) ના \(8\,moles\) ની પ્રક્રિયા કરતાં \(A\) ના \(4\,moles\),\(SO _2\) ના \(x\,mole\) અને \(B\) ના \(2\,moles\) આપે છે \(A,B\) અને \(x\) અનુક્રમે શોધો.

A \(PCl _3, S _2 Cl _2\) અને \(4\)
B \(POCl _3, S _2 Cl _2\) અને \(4\)
C \(PCl _3, S _2 Cl _2\) અને \(2\)
D \(POCl _3, S _2 Cl _2\) અને \(2\)

Verified Solution

Answer & Solution

Correct Answer

(A) \(PCl _3, S _2 Cl _2\) અને \(4\)

Step-by-step Solution

Detailed explanation

\(P _4+8 SOCl _2 \rightarrow 4 PCl _5+2 S _2 Cl _2+4 SO _2\)

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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પ્રક્રમ	\(\Delta H / kJ\,mol ^{-1}\)	\(\Delta S / J K^{-1}\)
\(A\)	\(-25\)	\(-80\)
\(B\)	\(-22\)	\(40\)
\(C\)	\(25\)	\(-50\)
\(D\)	\(22\)	\(20\)