Question
Write the two cyclic structures of $\alpha- D -(-)$-fructofuranose and $\beta- D -(-)$-fructofuranose exist in equilibrium with open chain structure.
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→Calculate EAN of cobalt $( Z =27)$ in $\left[ CO \left( NH _3\right)_6\right]^{+3}$ and of zinc $( Z =30)$ in $\left[ Zn \left( NH _3\right)_4\right] SO _4$.
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Identify $'A\ ', 'B\ '$ and $'C\ '$ in following chain reaction and rewrite the chemical reactions :
$H_3 C-CH_2 Cl+KOH_{(a q)} \xrightarrow{\Delta}{ }^{\prime} A^{\prime} \xrightarrow[\text { powder }]{\text { hot } Cu}{ }^{\prime} B^{\prime} \xrightarrow[\text { dil. } H_2 SO_4]{K_2 Cr_2 O_7}{ }^{\prime} C^{\prime}$
→$H_3 C-CH_2 Cl+KOH_{(a q)} \xrightarrow{\Delta}{ }^{\prime} A^{\prime} \xrightarrow[\text { powder }]{\text { hot } Cu}{ }^{\prime} B^{\prime} \xrightarrow[\text { dil. } H_2 SO_4]{K_2 Cr_2 O_7}{ }^{\prime} C^{\prime}$
Consider the reaction:
$3 I _{( aq )}^{-}+ S _2 O _8{ }^{2-}{ }_{( aq )} \longrightarrow I _3^{-}{ }_{( aq )}+2 SO _4{ }^{2-}{ }_{( aq )}$ at particular time $t , \frac{ d \left[ SO _4{ }^{2-}\right]}{ dt }=2.2 \times 10^{-2} M / s$. What are the values of the following at the same time?
(a) $-\frac{ d \left[ I ^{-}\right]}{ dt }$
(b) $\frac{- d \left[ S _2 O _8{ }^{2-}\right]}{ dt }$
(c) $\frac{- d \left[ I _3{ }^{-}\right]}{ d t}$
→$3 I _{( aq )}^{-}+ S _2 O _8{ }^{2-}{ }_{( aq )} \longrightarrow I _3^{-}{ }_{( aq )}+2 SO _4{ }^{2-}{ }_{( aq )}$ at particular time $t , \frac{ d \left[ SO _4{ }^{2-}\right]}{ dt }=2.2 \times 10^{-2} M / s$. What are the values of the following at the same time?
(a) $-\frac{ d \left[ I ^{-}\right]}{ dt }$
(b) $\frac{- d \left[ S _2 O _8{ }^{2-}\right]}{ dt }$
(c) $\frac{- d \left[ I _3{ }^{-}\right]}{ d t}$