MCQ
$S-O$ bond length is maximum in
- A$SOBr_2$
- B$SOCl_2$
- ✓$SOF_2$
- D$SO(CH_3)_2$
$H _2 SO _4+2 PCl _5 \rightarrow SO _2 Cl _2+2 POCl _3+2 HCl$
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$E_a\ (Kcal/mol)\,||$ Temp. Change $(K)$
$(I)$ $40\,||\,200\, -\, 210$
$(II)$ $80\,||\,200 \,-\, 210$
$(III)$ $40\,||\,300\, -\, 310$
$(IV)$ $80\,||\,300\, -\, 310$
$Pt \left| H _{2}( g )\right| H ^{+}( aq ) \| Cu ^{2+}(0.01 M ) \mid Cu ( s )$
is $0.576 \,V$ at $298\, K$. The $pH$ of the solution is $......\,.$ (Nearest integer)