Calculate the volume occupied by all particles in bcc unit cell if the volume of unit cell is \(8.0 \times 10^{-23} \mathrm{~cm}^3\).
Calculate work done in isothermal reversible expansion of 1 mole ideal gas from initial pressure 10 bar to final pressure 1 bar at 300 K . \(\left(\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)\).
A weak base is \(5 \%\) dissociated in its 0.01 M solution. Calculate the dissociation constant.
\[ \mathrm{S} \xrightarrow{\text { Dimethylcadmium }} \text { Propanone }+ \text { Cadmium chloride } \]
Identify correct statement for reaction stated below.
\[ \mathrm{Ag}_2 \mathrm{O}+\mathrm{H}_2 \mathrm{O}+2 \mathrm{e}^{-} \longrightarrow 2 \mathrm{Ag}+2 \mathrm{OH}^{-} \]
What is the number of moles of hydrogen atoms required to reduce one mole of nitroethane completely using Sn and HCl ?
Find the rate of following reaction.
\[ 2 \mathrm{~N}_2 \mathrm{O}_{5(\mathrm{~g})} \longrightarrow 4 \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})} \]
if concentration of \(\mathrm{NO}_2\) increases to \(5.2 \times 10^{-3} \mathrm{M}\) in 100 seconds.
Which among the following ligands has highest field strength?
Which among the following salts forms basic solution in water?
Which from following reactions is exothermic?
Identify product ' B ' in the following sequence of reactions.
\[ \text { 1,2-Dibromoethane } \xrightarrow[\text { alcohol }]{\mathrm{KOH}} A \xrightarrow{\text { sodamide }} B \]
Identify the reagent R necessary to bring the following conversion.
Calculate the total number of tetrahedral and octahedral voids in 0.4 mol compound having such voids in it.
Identify the product when magnesium burns in air.
Which carbon atom of glucopyranose numbered from \(\mathrm{C}-1\) to \(\mathrm{C}-6\) is anomeric?
Identify the reagent ' \(R\) ' used in the following reaction.
Ketone \(\xrightarrow{\mathrm{R}}\) Semicarbazone
Identify substrate ' \(A\) ' in the following reaction.
\(\mathrm{A}+\mathrm{CO}_2 \xrightarrow[6 \text { atm }]{398 \mathrm{~K}}\) Sodium salicylate \(\xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}}\)Salicylic acid
Calculate molality of the solution containing nonvolatile solute if boiling point elevation of the solution is 0.2 K
\[ \left[\mathrm{K}_{\mathrm{b}}=0.52 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right] \]
If a reaction occurs in following two steps
i. \(2 \mathrm{ClO}^{-} \longrightarrow \mathrm{ClO}_2^{-}\)
ii. \(\mathrm{ClO}_2^{-}+\mathrm{ClO}^{-} \longrightarrow \mathrm{ClO}_3^{-}+\mathrm{Cl}^{-}\)
Find the reaction intermediate.
What is the coordination number of Pt in cisplatin?
What is the number of chiral carbon atoms present in 3,4-Dibromohexane?
If standard emf of cell \(\mathrm{Zn}_{(\mathrm{s})}\left|\mathrm{Zn}_{(\mathrm{1M})}^{+2}\right| \mathrm{Ag}_{(\mathrm{1M})}^{+1} \mid \mathrm{Ag}_{(\mathrm{s})}\) is 1.55 V .
What is electrical work done under standard conditions?
Identify the major product formed when 2-Methylhexan-3-ol is heated with concentrated sulphuric acid.
What is the value of pH of a NaOH solution that dissociates \(2 \%\) in its 0.01 M solution?
