Which of the following is the incorrect order?
(1) `Ge^(4+) < Sn^(+4) < Pb^(+4)` -Stability of +4 oxidation state
(2) `Li < Be < B < C` -Ionisation energy
(3) `Li^+ < Na^+ < K^+ < Cs^+` -Ionic radius
(4) `NH_3 > PH_3 > AsH_3` -Basic nature

Which of the following is the correct order of bond angle in H_2S , NH_3 , BF_3 and SiH_4 ?

Which of the following orders is correct? (1) SbH_(3)gt NH_(3) gt AsH_(3) gt PH_(3)-" Boiling Point" (2) NH_(3) gt PH_(3) gt AsH_(3) gt SbH_(3)-" Thermal Stability" (3) NH_(3) gt PH_(3) gt AsH_(3) gt SbH_(3) - "Basic Character" (4) NH_(3) gt PH_(3) gt AsH_(3) gt SbH_(3)- "Bond Angle"

Arrange the following in the increasing order of their basic strength : (i) (CH_3)_3 N (ii) CH_3 NH_2 (iii) NH_3

Arrange the following in their decreasing order of Basicity. (I) (III) (IV) NH_3 .

PH_3 is less basic than NH_3 .

Arrange the following in the order of decreasing basic character : (1) CH_3NH_2 (2) (CH_3)_2NH (3) NH_3

Arrange the following in the increasing order of the properties stated against them. (a) (i) NH_(3) , (ii) PH_(3) , (iii) AsH_(3) , (iv) SbH_(3) -boiling point. (b)(i) Bi^(3+) ,(ii) Sb^(3+) , (iii) As^(3+) -stability of +3 oxidation state. ( c)(i) NH_(3) , (ii) PH_(3) , (iii) AsH_(3) , (iv) SbH_(3) , (v) BiH_(3) -reducing character.

Arrange the following in increasing order of bond angle PH _(3), SbH_(3), AsH_(3), NH_(3)

Which among the following is strongest reducing agent? BiH_3,AsH_3,PH_3 and NH_3

Which of the following increasing order of pH of 0.1 M solution of the compound (A) HCOONH_4 (B) CH_3COONH_4 ( C ) CH_3COONa (D) NH_4Cl is correct ?