The number of terminal and bridging hydrogens in $B_2H_6$ are respectively
- A$4$ and $2$
- B$2$ and $4$
- C$2$ and $2$
- D$4$ and $4$
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$AlCl_3$ fumes in moist air because.......
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View SolutionDescribe the general trends in the following properties of the elements in Groups $13$ and $14$.
$(A)$ Atomic size
$(B)$ Ionization enthalpy
$(C)$ Metallic character
$(D)$ Oxidation states
$(E)$ Nature of halides
$(A)$ Atomic size
$(B)$ Ionization enthalpy
$(C)$ Metallic character
$(D)$ Oxidation states
$(E)$ Nature of halides
Difficult
View SolutionMatch the species given in Column-$I$ with properties given in Column-$II$.
Column-$I$ Column-$II$ $A$. Diborane $1$. Used as a flux for soldering metals $B$. Gallium $2$. Crystalline form of silica $C$. Borax $3$. Banana bonds $D$. Alumino silicate $4$. Low melting,high boiling,useful for measuring high temperatures $E$. Quartz $5$. Used as catalyst in petrochemical industries
| Column-$I$ | Column-$II$ |
|---|---|
| $A$. Diborane | $1$. Used as a flux for soldering metals |
| $B$. Gallium | $2$. Crystalline form of silica |
| $C$. Borax | $3$. Banana bonds |
| $D$. Alumino silicate | $4$. Low melting,high boiling,useful for measuring high temperatures |
| $E$. Quartz | $5$. Used as catalyst in petrochemical industries |
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View SolutionWhen an aqueous solution of borax is acidified with hydrochloric acid,a white crystalline solid is formed which is soapy to touch. Is this solid acidic or basic in nature? Explain.
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View SolutionKernite and cryolite are the minerals of two elements $X$ and $Z$. Respectively $X$ and $Z$ are
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