Most unstable hydride is

Question

Most unstable hydride is (A) NH3 (B)  PH3 (C) AsH3 (D) BiH3

Tardigrade Admin · Accepted Answer

In V A group the thermal stability of hydrides decreases from NH 3 to XeF 6 Hence, BiH 3 is the most unstable hydride. NH 3> PH 3> AsH 3> SbH 3> BiH 3

Q. Most unstable hydride is

$N H_{3}$

$P H_{3}$

$A s H_{3}$

$B i H_{3}$

In $V$ A group the thermal stability of hydrides decreases from $N H_{3}$ to $X e F_{6}$ Hence, $B i H_{3}$ is the most unstable hydride.
$N H_{3} > P H_{3} > A s H_{3} > S b H_{3} > B i H_{3}$

Q. Most unstable hydride is

NH3​

PH3​

AsH3​

BiH3​

In V A group the thermal stability of hydrides decreases from NH3​ to XeF6​ Hence, BiH3​ is the most unstable hydride. NH3​>PH3​>AsH3​>SbH3​>BiH3​

$N H_{3}$

$P H_{3}$

$A s H_{3}$

$B i H_{3}$

In $V$ A group the thermal stability of hydrides decreases from $N H_{3}$ to $X e F_{6}$ Hence, $B i H_{3}$ is the most unstable hydride.
$N H_{3} > P H_{3} > A s H_{3} > S b H_{3} > B i H_{3}$