Under which of the following conditions can active nitrogen be produced by passing $N_2$ gas through an electric spark?
- AAt very low pressure (at $2 \ mm$ of $Hg$)
- BAt high pressure
- CAt very low temperature
- DAt atmospheric pressure
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$PCl_5$ exists but $NCl_5$ does not because
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View SolutionMatch the following:
Compound Nature $i$. $PbO_2$ $a$. Acidic $ii$. $Sb_2O_3$ $b$. Basic $iii$. $GeO_2$ $c$. Amphoteric
| Compound | Nature |
|---|---|
| $i$. $PbO_2$ | $a$. Acidic |
| $ii$. $Sb_2O_3$ | $b$. Basic |
| $iii$. $GeO_2$ | $c$. Amphoteric |
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View SolutionSelect the correct statement.
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