Compound $\left(X\right)$ is :

Important Questions on The p-Block Elements

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 37

When metal $\mathrm{M}$ is treated with $\mathrm{NaOH}$, a white gelatinous precipitate $\mathrm{X}$ is obtained, which is soluble in excess of $\mathrm{NaOH}$. Compound $\mathrm{X}$, when heated strongly gives an oxide which is used in chromatography as an adsorbent. The metal $\mathrm{M}$ is

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 38

The number of P-O-P bonds in cyclic metaphosphoric acid is

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 39

Ammonia can be dried by.

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 40

Give the reason why elemental nitrogen exists as a diatomic molecule whereas elemental phosphorus is a tetra atomic molecule.

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 41

For ${\mathrm{H}}_3{\mathrm{PO}}_3$ and ${\mathrm{H}}_3{\mathrm{PO}}_4$, the correct choice is-

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 42

${\left({\mathrm{N}\mathrm{H}}_4\right)}_2{\mathrm{C}\mathrm{r}}_2{\mathrm{O}}_7$ on heating gives a gas which is also given by

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 44

Thermodynamically most stable allotrope of phosphorus is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 45

Among the following, the correct statement is: