Question:
Dihydrogen reacted with elements of atomic number 15, 19 and 40 to form respective hydrides. The type of these hydrides respectively are
Dihydrogen reacted with elements of atomic number 15, 19 and 40 to form respective hydrides. The type of these hydrides respectively are
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Hydrides:
\[
\text{Alkali metals} \rightarrow \text{Ionic}
\]
\[
\text{Transition metals} \rightarrow \text{Interstitial}
\]
\[
\text{Group 15 hydrides} \rightarrow \text{Electron rich}
\]
Updated On: Jun 17, 2026
- ionic, interstitial, electron rich
- electron rich, ionic, interstitial
- ionic, electron rich, interstitial
- electron rich, interstitial, ionic
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The Correct Option is B
Solution and Explanation
Step 1: Identify the elements.
Atomic number 15 \[ =P \] Atomic number 19 \[ =K \] Atomic number 40 \[ =Zr \]
Step 2: Identify hydride types.
\[ PH_3 \] is electron rich. \[ KH \] is ionic. \[ ZrH_x \] is interstitial.
Step 3: Arrange in order.
\[ \boxed{\text{electron rich, ionic, interstitial}} \]
Atomic number 15 \[ =P \] Atomic number 19 \[ =K \] Atomic number 40 \[ =Zr \]
Step 2: Identify hydride types.
\[ PH_3 \] is electron rich. \[ KH \] is ionic. \[ ZrH_x \] is interstitial.
Step 3: Arrange in order.
\[ \boxed{\text{electron rich, ionic, interstitial}} \]
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