KCET · Chemistry · s Block Elements
The pair of compound which cannot exist together in solution is
- A \( \mathrm{NaHCO}_{3} \) and \( \mathrm{N} a \mathrm{OH} \)
- B \( \mathrm{NaHCO}_{3} \) and \( \mathrm{H}_{2} \mathrm{O} \)
- C \( \mathrm{NaHCO}_{3} \) and \( \mathrm{N} a_{2} \mathrm{CO}_{3} \)
- D \( \mathrm{Na}_{2} \mathrm{CO}_{3} \) and \( \mathrm{NaOH} \)
Answer & Solution
Correct Answer
(A) \( \mathrm{NaHCO}_{3} \) and \( \mathrm{N} a \mathrm{OH} \)
Step-by-step Solution
Detailed explanation
\( \mathrm{NaHCO}_{3} \) is unstable with \( \mathrm{NaOH} \), because \( \mathrm{NaHCO}_{3} \) is a basic salt, therefore, will react with \( \mathrm{NaOH} \) and form
\( \mathrm{Na}_{2} \mathrm{CO}_{3} \) and water
\( \mathrm{NaHCO}_{3}+\mathrm{NaOH} \rightarrow \mathrm{Na}_{2} \mathrm{CO}_{3}+\mathrm{H}_{2} \mathrm{O} \)
\( \mathrm{Na}_{2} \mathrm{CO}_{3} \) and water
\( \mathrm{NaHCO}_{3}+\mathrm{NaOH} \rightarrow \mathrm{Na}_{2} \mathrm{CO}_{3}+\mathrm{H}_{2} \mathrm{O} \)
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 IUPAC name of 'B' isKCET 2014 Easy - A body of mass \(x \mathrm{~kg}\) is moving with a velocity of \(100 \mathrm{~ms}^{-1}\). Its de-Broglie wavelength is \(6.62 \times 10^{-35} \mathrm{~m}\). Hence, \(\mathrm{x}\) is \(\left(\mathrm{h}=6.62 \times 10^{-34} \mathrm{Js}\right.\) )KCET 2009 Medium
- With regard to photoelectric effect, identify the correct statement among the following.KCET 2020 Medium
- Which of the following pair contains \( 2 \) lone pair of electrons on the central atom?KCET 2019 Easy
- Match List-I with List-II
Choose the correct answer from the options given below.List-I (Vitamins) List-II (Deficiency Diseases) (a) \(\text{B}_1\) (i) Convulsions (b) \(\text{B}_2\) (ii) RBC deficiency in haemoglobin (c) \(\text{B}_6\) (iii) Retarded growth (d) \(\text{B}_{12}\) (iv) Burning sensation of the skin KCET 2026 Easy - 5 moles of \(\mathrm{SO}_{2}\) and 5 moles of \(\mathrm{O}_{2}\) are allowed to react. At equilibrium, it was found that \(60 \%\) of \(\mathrm{SO}_{2}\) is used up. If the partial pressure of the equilibrium mixture is one atmosphere, the partial pressure of \(\mathrm{O}_{2}\) isKCET 2009 Easy
More PYQs from KCET
- \( \mathrm{A} \) is a set having \( 6 \) distinct elements. The number of distinct functions from \( \mathrm{A} \) to \( \mathrm{A} \) which are
notbijections isKCET 2018 Easy - Morphine is obtained from theKCET 2017 Medium
- A solenoid of length \(50 \mathrm{~cm}\) having 100 turns carries a current of \(2.5 \mathrm{~A}\). The magnetic field at one end of the solenoid isKCET 2022 Easy
- \(\int \frac{\cos ^{n-1} x}{\sin ^{n+1} x} d x(\) where, \(n \neq 0)\) is equal toKCET 2013 Medium
- \(\log \left(\sin 1^{\circ}\right) \cdot \log \left(\sin 2^{\circ}\right) \cdot \log \left(\sin 3^{\circ}\right)\) \(\ldots \log \left(\sin 179^{\circ}\right)\)KCET 2013 Easy
- In the manufacture of hydrogen from water gas \( \left(\mathrm{CO}+\mathrm{H}_{2}\right) \), which of the following is correct
statement?KCET 2017 Hard