COMEDK · Chemistry · 11. s Block Elements
When carbon monoxide is passed over solid caustic soda heated to \(200^{\circ} \mathrm{C}\), it forms
- A \(\mathrm{Na}_{2} \mathrm{CO}_{3}\)
- B \(\mathrm{NaHCO}_{3}\)
- C HCOONa
- D \(\mathrm{CH}_{3} \mathrm{COONa}^{2}\)
Answer & Solution
Correct Answer
(C) HCOONa
Step-by-step Solution
Detailed explanation
When, carbon mono-oxide is passed over solid caustic soda heated to \(200^{\circ} \mathrm{C}\), it forms sodium formate.…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- The volume of \(\mathrm{H}_{2}\) obtained at \(\mathrm{STP}\), when \(\mathrm{Mg}\) obtained by passing a current of \(0.5 \mathrm{~A}\) through molten \(\mathrm{MgCl}_{2}\) for \(32.2\) min is treated with excess of dilute HCl is approximately
[Equivalent mass of \(\mathrm{Mg}=12\) ]COMEDK 2012 Hard - 85 . The radius of an atom is \(300 \mathrm{pm}\). If it crystallises in a face-centered cubic lattice, the length of the edge of the unit cell isCOMEDK 2014 Easy
- What would be the van't Hoff factor for a solution prepared by dissolving \(3.42 \mathrm{~g}\) of \(\mathrm{CaCl}_2\) in \(2500 \mathrm{~ml}\) of water having an Osmotic pressure equal to \(0.75 \mathrm{~atm}\). at \(27^{\circ} \mathrm{C}\) ? Molar mass of \(\mathrm{CaCl}_2=111 \mathrm{~amu}\).COMEDK 2023 Medium
- The 'd' electronic configuration of \(\left[\mathrm{Ru}(\mathrm{en})_3\right] \mathrm{Cl}_2\) and \(\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_2\) respectively are _____ and ____ .
[Given: Atomic number of \(\mathrm{Ru}=44\) and \(\mathrm{Fe}=26\) ]COMEDK 2025 Medium - \(A+B \rightleftharpoons C+D\)
The initial concentrations of \(A\) and \(B\) are equal. At equilibrium, the concentration of \(C\) is twice that of \(A\). The equilibrium constant of the reaction isCOMEDK 2012 Hard - Which of the following statement is not true about glucose?COMEDK 2024 Medium
More PYQs from COMEDK
- Let the equation of pair of lines \(y=m_1 x\) and \(y=m_2 x\) can be written as
\(\left(y-m_1 x\right)\left(y-m_2 x\right)=0\). Then, the equation of the pair of the angle bisector of the line \(3 y^2-5 x y-2 x^2=0\) isCOMEDK 2023 Medium - In the given Redox equation, identify the stoichiometric coefficients \(\mathrm{w}, \mathrm{x}, \mathrm{y}\) and \(\mathrm{z}\).
\(\mathrm{ClO}_3^{-1}+\mathrm{w} \mathrm{Cl}^{-1}+\mathrm{xH}^{+} \rightarrow \mathrm{y} \mathrm{H}_2 \mathrm{O}+\mathrm{zCl}_2\)COMEDK 2023 Medium - Which of the following forms a colourless solution in aqueous medium?
@@COMEDK 2020 Easy - A battery of emf 12 V and negligible resistance is connected across the diagonally opposite corners of a cubical network consisting of 12 resistors each of resistance \(2 \Omega\). The equivalent resistance of the network isCOMEDK 2024 Hard
- Let \(f(x)=a-(x-3)^{8 / 9}\), then maxima of \(f(x)\) isCOMEDK 2022 Easy
- The variance of a set of 20 observations is 16. If 7 is added to each observation, and then 5 is subtracted from each resulting observation, what will be the new standard deviation?COMEDK 2026 Easy