Which base among the following reacts with diborane to cleave it unsymmetrically ?
Which base among the following reacts with diborane to cleave it unsymmetrically ?
- A
$T.H.F.$
- B
$Me_3N$
- C
$C_5H_5N$
- D
$MeNH_2$
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The correct formula of borax is
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Carbongene has $X\%$ of $CO_2$ and is used as an antidote for poisoning of $Y.$ Then, $X$ and $Y$ are
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Discuss the pattern of variation in the oxidation states of
$(i)$ $B$ to $Tl$ and $(ii)$ $C$ to $Pb$.
Discuss the pattern of variation in the oxidation states of
$(i)$ $B$ to $Tl$ and $(ii)$ $C$ to $Pb$.
Match List$-I$ with List$-II :$
List$-I$
List$-II$
$(a)$ $\mathrm{NaOH}$
$(i)$ Acidic
$(b)$ $\mathrm{Be}(\mathrm{OH})_{2}$
$(ii)$ Basic
$(c)$ $\mathrm{Ca}(\mathrm{OH})_{2}$
$(iii)$ Amphoteric
$(d)$ $\mathrm{B}(\mathrm{OH})_{3}$
$(e)$ $\mathrm{Al}(\mathrm{OH})_{3}$
Choose the most appropriate answer from the option given below :
Match List$-I$ with List$-II :$
| List$-I$ | List$-II$ |
| $(a)$ $\mathrm{NaOH}$ | $(i)$ Acidic |
| $(b)$ $\mathrm{Be}(\mathrm{OH})_{2}$ | $(ii)$ Basic |
| $(c)$ $\mathrm{Ca}(\mathrm{OH})_{2}$ |
$(iii)$ Amphoteric |
| $(d)$ $\mathrm{B}(\mathrm{OH})_{3}$ | |
| $(e)$ $\mathrm{Al}(\mathrm{OH})_{3}$ |
Choose the most appropriate answer from the option given below :
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Heating an aqueous solution of aluminium chloride to dryness will give
Heating an aqueous solution of aluminium chloride to dryness will give
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