The composition of borax is:
- A$Na_2B_4O_7 \cdot 4H_2O$
- B$Na_2B_4O_7 \cdot 10H_2O$
- C$NaBO_2$
- D$H_3BO_3$
Explore More
Similar Questions
Identify the correct statements from the following:
$(a)$ In orthoboric acid, boron is in planar geometry.
$(b)$ In $BCl_3 \cdot NH_3$, boron has tetrahedral geometry.
$(c)$ Aqueous solution of borax is acidic.
$(a)$ In orthoboric acid, boron is in planar geometry.
$(b)$ In $BCl_3 \cdot NH_3$, boron has tetrahedral geometry.
$(c)$ Aqueous solution of borax is acidic.
Match Column-$I$ with Column-$II$ :
Column-$I$ Column-$II$ $A$. $Bi^{+3} \to (BiO)^{+}$ $P$. Heat $B$. $[AlO_2]^{-} \to Al(OH)_3$ $Q$. Hydrolysis $C$. $SiO_4^{-4} \to Si_2O_7^{-6}$ $R$. Acidification $D$. $(B_4O_7)^{-2} \to [B(OH)_3]$ $S$. Dilution with water
| Column-$I$ | Column-$II$ |
| $A$. $Bi^{+3} \to (BiO)^{+}$ | $P$. Heat |
| $B$. $[AlO_2]^{-} \to Al(OH)_3$ | $Q$. Hydrolysis |
| $C$. $SiO_4^{-4} \to Si_2O_7^{-6}$ | $R$. Acidification |
| $D$. $(B_4O_7)^{-2} \to [B(OH)_3]$ | $S$. Dilution with water |
Easy
View SolutionBorax has the molecular formula
Easy
View SolutionBoron halides are usually Lewis acids in nature. This is due to:
Aluminium reacts with dilute $HCl$ and liberates a gas '$A$' and with aqueous alkali liberates a gas '$B$'. $A$ and $B$ respectively are
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo