AP EAMCET · Chemistry · p Block Elements (Group 13 & 14)
Which of the following is not correct regarding Orthoboric acid?
- A Orthoboric acid can be prepared by the reaction of \(\mathrm{HCl}\) with \(\mathrm{Na}_2 \mathrm{~B}_4 \mathrm{O}_7\)
- B Orthoboric acid releases three \(\mathrm{H}^{+}\)ions in water.
- C Orthoboric acid when heated above \(370 \mathrm{~K}\), forms
- D \(\mathrm{HBO}_2\) which on further heating forms \(\mathrm{B}_2 \mathrm{O}_3\).
Answer & Solution
Correct Answer
(C) Orthoboric acid when heated above \(370 \mathrm{~K}\), forms
Step-by-step Solution
Detailed explanation
No solution. Refer to answer key.
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 following equation is obtained for a first order reaction at 300 K .
\(\log _{10} \frac{\mathrm{k}}{\mathrm{~A}}=0.00174\)
What is the activation energy (in \(\mathrm{J} \mathrm{mol}^{-1}\) ) of the reaction?
\(\left(\mathrm{R}=8.314 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}\right)\)AP EAMCET 2025 Medium - \(6 \mathrm{~g}\) of a non-volatile, non-electrolyte \(X\) dissolved in \(100 \mathrm{~g}\) of water freezes at \(-0.93^{\circ} \mathrm{C}\). The molar mass of \(X\) in \(\mathrm{g} \mathrm{mol}^{-1}\) is \(\left(K_f\right.\) of \(\left.\mathrm{H}_2 \mathrm{O}=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right)\)AP EAMCET 2016 Medium
- Examples of synthetic polymer \((X)\) and semi-synthetic polymer \((Y)\) are \(x\)
AP EAMCET 2018 Easy - Which one of the following gives sooty flame on combustion?AP EAMCET 2014 Easy
- Which one of the following liberates oxygen immediately when passed into water?AP EAMCET 2018 Easy
- The solubility ' \(\mathrm{S}\) ' of \(\mathrm{Zr}_3\left(\mathrm{PO}_4\right)_4\) in terms of its solubility product, \(\mathrm{K}_{\mathrm{sp}}\) isAP EAMCET 2017 Medium
More PYQs from AP EAMCET
- The stress - strain graph of two wires A and B is shown in the figure. If \(\mathrm{Y}_{\mathrm{A}}\) and \(Y_B\) are Young's moduli of materials of wires \(A\) and \(B\) respectively, then
AP EAMCET 2025 Medium - A Van de Graaff generator has a spherical metal shell as an electrode which is at a potential \(15 \times 10^6 \mathrm{~V}\). If the dielectric strength of the surrounding medium is \(5 \times 10^7 \mathrm{Vm}^{-1}\), then the diameter of the shell isAP EAMCET 2018 Easy
- The class of materials having the largest band gap in the following isAP EAMCET 2022 Easy
- If \(A=(5,4,2), B=(6,2,-1), C=(8,-2,-7)\), then the harmonic conjugate of \(A\) with respect to \(B\) and \(C\) isAP EAMCET 2017 Medium
- \(f(x)=\left\{\begin{array}{lc}4 & ,-\infty < x < -\sqrt{5} \\ x^2-1, & -\sqrt{5} < x \leq \sqrt{5} \\ 4, & \sqrt{5} \leq x < \infty\end{array}\right.\)
If \(k\) is the number of points where \(f(x)\) is not differentiable, then \(k-2=\)AP EAMCET 2022 Easy - If \(a, b>0\), then minimum value of \(y=\frac{b^2}{a-x}+\frac{a^2}{x}, 0 < x < a\) isAP EAMCET 2022 Medium