The bond angle decreases from `NH_(3)` to `BiH_(3)` due to

The following are some statements related to VA group hydrides, I. Reducing proeprty increases from NH_(3) to BiH_(3) II. Tendency to donate lone pair decreases from NH_(3) to BiH_(3) . III. Thermal stability of hydrides decreases from NH_(3) to BiH_(3) . IV. bond angle of hydrides decreases from NH_(3) to BiH_(3) .

The following are some statements related to VA group hydrides I) Reducing property increases from NH_(3) to BiH_(3) II) Tendency to donate lone pair decreases from NH_(3) to BiH_(3) III) Ease of replacing H with Cl decreases from NH_(3) to BiH_(3) IV) Ease of formation of hydrides decreases from NH_(3) to BiH_(3) The correct statement are

The following are some statements related to VA group hydrides I) Reducing property increases from NH_(3) to BiH_(3) II) Tendency to donate lone pair decreases from NH_(3) to BiH_(3) III) Ease of replacing H with Cl decreases from NH_(3) to BiH_(3) IV) Ease of formation of hydrides decreases from NH_(3) to BiH_(3) The correct statement are

The following are some statements related to VA group hydrides I : Reducing property increases from NH_(3) to BiH_(3) II : Tendency to donate lone pair decreases from NH_(3) to BiH_(3) III : Ease of replacing H with Cl decreases from NH_(3) to BiH_(3) IV : Ease of formation of hydrides decreases from NH_(3) to BiH_(4) The correct statements are:

The following are some statements related to group 15 hydrides. (i) Reducing property increases from NH_3 to BiH_3 (ii) Tendency to donate lone pair decreases from NH_3 to BiH_3 (iii) Thermal stability of hydrides decreases from NH_3 to BiH_3 (iv) Bond angle decreases from NH_3 to BiH_3 .

(A): Thermal stability of VA group hydrides decreases from NH_(3) to BiH_(3) (R): The dissociation energy of M - H bond! increases down the group regularly