WBJEE · Chemistry · Practical Chemistry
To a solution of colourless sodium salt, a solution of lead nitrate was added to have a white precipitate which dissolves in warm water and reprecipitates on cooling. Which of the following acid radical is present in the salt?
- A \(\mathrm{Cl}^{-}\)
- B \(\mathrm{SO}_4{ }^{2-}\)
- C \(\mathrm{S}^{2-}\)
- D \(\mathrm{NO}_3^{-}\)
Answer & Solution
Correct Answer
(A) \(\mathrm{Cl}^{-}\)
Step-by-step Solution
Detailed explanation
\(2 \mathrm{NaCl}+\mathrm{Pb}\left(\mathrm{NO}_3\right)_2 \rightarrow \mathrm{PbCl}_2(\mathrm{ppt})+2 \mathrm{NaNO}_3\)
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
- Ribose and 2 -deoxyribose can be differentiated byWBJEE 2013 Medium
- Ferric ion forms a prussian blue precipitate due to the formation ofWBJEE 2018 Medium
- What will be the change in acidity if
(i) \(\mathrm{CuSO}_4\) is added in saturated \(\left(\mathrm{NH}_4\right)_2 \mathrm{SO}_4\) solution
(ii) \(\mathrm{SbF}_5\) is added in anhydrous HFWBJEE 2024 Hard - In diborane, the number of electrons that accounts for bonding in the bridges isWBJEE 2013 Easy
- For the equilibrium, \(\mathrm{H}_{2} \mathrm{O}(l) \rightleftharpoons \mathrm{H}_{2} \mathrm{O}(\mathrm{v}),\) which of the following is correct?WBJEE 2019 Easy
- Identify the correct statements(s) :WBJEE 2024 Medium
More PYQs from WBJEE
- Friedel-Craft's reaction using MeCl and anhydrous AlCl \(_{3}\) will take place most efficiently withWBJEE 2012 Medium
- If \(f(x)=2^{100} x+1, g(x)=3^{100} x+1\), then the set of real numbers \(x\) such that \(f[g(x)\}=x\) isWBJEE 2013 Easy
- The chord of the curve \(y=x^{2}+2 a x+b\) joining the points where \(x=\alpha\) and \(x=\beta,\) is parallel to the tangent to the curve at abscissa \(x\) is equal toWBJEE 2017 Medium
- The value of \(\lambda\) such that the system of equations \(2x-y-2 y=2 ; x-2 y+z=-4\),\(x+y+\lambda z=4,\) has no solution, isWBJEE 2015 Easy
- Let \(S\) be the sample space of the random experiment of throwing simultaneously two unbiased dice and \(E_k=\{a, b) \in\) \(S: a b=k\}\). If \(p_k=P\left(E_k\right)\), then the correct among the following is :WBJEE 2023 Easy
- P and Q combines to form two compounds \(\mathrm{PQ}_2\) and \(\mathrm{PQ}_3\). If \(1 \mathrm{~g} \mathrm{P} Q_2\) is dissolved in 51 g benzene the depression of freezing point becomes \(0.8^{\circ} \mathrm{C}\). On the other hand if \(1 \mathrm{~g} \mathrm{PQ}_3\) is dissolved in 51 g of benzene, the depression of freezing point becomes \(0.625^{\circ} \mathrm{C}\). The atomic mass of \(P\) and \(Q\) are \(\left(\mathrm{K}_{\mathrm{f}}\right.\) of benzene \(\left.=5.1 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right)\)WBJEE 2025 Hard