TS EAMCET · Chemistry · p Block Elements (Group 13 & 14)
The formula of borax is
- A \(\mathrm{Na}_2 \mathrm{~B}_4 \mathrm{O}_7 \cdot 5 \mathrm{H}_2 \mathrm{O}\)
- B \(\mathrm{Na}_2 \mathrm{~B}_4 \mathrm{O}_7 \cdot 7 \mathrm{H}_2 \mathrm{O}\)
- C \(\mathrm{Na}_2 \mathrm{~B}_4 \mathrm{O}_7 \cdot 10 \mathrm{H}_2 \mathrm{O}\)
- D \(\mathrm{Na}_2 \mathrm{~B}_4 \mathrm{O}_7 \cdot 2 \mathrm{H}_2 \mathrm{O}\)
Answer & Solution
Correct Answer
(C) \(\mathrm{Na}_2 \mathrm{~B}_4 \mathrm{O}_7 \cdot 10 \mathrm{H}_2 \mathrm{O}\)
Step-by-step Solution
Detailed explanation
Sodium tetraborate decahydrate is a borax molecular formula is \[ \mathrm{Na}_2\left[\mathrm{~B}_4 \mathrm{O}_5(\mathrm{OH})_4 \cdot 8 \mathrm{H}_2 \mathrm{O} / \mathrm{Na}_2 \mathrm{~B}_4 \mathrm{O}_7 \cdot 10 \mathrm{H}_2 \mathrm{O}\right. \]…
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 correct decreasing order of the basic strength isTS EAMCET 2021 Medium
- The indicator used during the estimation of of a water sample isTS EAMCET 2021 Easy
- The Haworth projection shown below represents
TS EAMCET 2023 Easy - Sulphur trioxide is dissolved in heavy water to form a compound \(X\). The hybridisation state of sulphur in \(X\) is :TS EAMCET 2003 Easy
- Chloroxylenol is an example ofTS EAMCET 2016 Easy
- The sol prepared by Bredig's Arc method is X and the charge of sol particles of it is q. \(\mathrm{X}\) and q are respectively.TS EAMCET 2023 Easy
More PYQs from TS EAMCET
- A composite slab is prepared with two different materials \(A\) and \(B\). The relation between their coefficient of thermal conductivity and thickness is given as \(K_A=\frac{K_B}{2}\) and \(X_A=2 X_B\), respectively. If the temperature of faces of \(A\) and \(B\) are \(75^{\circ} \mathrm{C}\) and \(50^{\circ} \mathrm{C}\) respectively, what will be the temperature of common surface?TS EAMCET 2020 Medium
- Let \(\vec{a}=2 \hat{i}-\hat{j}+\hat{k}\) be the position vector of a point \(\mathrm{A}\). Let \(\vec{b}=\hat{i}+2 \hat{j}-\hat{k}\) and \(\vec{c}=\hat{i}+\hat{j}-2 \hat{k}\) be two vectors and \(\vec{r}\) be a vector passing through the point \(A(\vec{a})\) and parallel to the vector \(\vec{b}\). If the projection of \(\vec{r}\) on \(\vec{c}\) is \(\frac{9}{\sqrt{6}}\) then \(|\vec{r}|=\)TS EAMCET 2023 Easy
- If rank of \(\left(\begin{array}{ccc}x & x & x \\ x & x^2 & x \\ x & x & x+1\end{array}\right)\) is 1, thenTS EAMCET 2017 Easy
- If the equation of a hyperbola is \(9 x^2-16 y^2+72 x-32 y\) \(-16=0\), then the equation of its conjugate hyperbola isTS EAMCET 2023 Medium
- A ball of mass \(1 \mathrm{~kg}\) moves in a straight line with velocity \(v=c x^a\), where \(c=1\) (SI unit) and \(\alpha\) is a constant. If the work done by the net force during its displacement from \(\mathrm{x}=0\) to \(\mathrm{x}=4 \mathrm{~m}\) is \(128 \mathrm{~J}\), then the \(\alpha\) isTS EAMCET 2022 Medium
- The light emitted in the transition to (where is the principal quantum number of the state) in hydrogen is called -light. Find the maximum work function that a metal can have so that -light can emit photoelectrons from it.TS EAMCET 2022 Easy