Arrange the following in the decreasing order of the property indicated:- `NH_3, PH_3, AsH_3, SbH_3` - Basic strength.

Arrange the following in the decreasing order of the property indicated:- H_2O, H_2S, H_2Se H_2Te - Bolling point.

Arrange the following in decreasing order of their bond angle ': H_2 O, NH_3, H_2 S'

Arrange the following compounds in decreasing order of their basic character.

Arrange the following compounds in increasing order of their property as indicated: i. Acetaldehyde, Acetone, Di-tert-butyl ketone, Methyl tert-butyl ketọne (reactivity towards HCN) ii. CH_3 CH_2 CH(Br) COOH, CH_3 CH(Br) CH_2 COOH , (CH_3)_2 CHCOOH , CH_3 CH_2 CH_2 COOH (acid strength) iii. Benzoic acid, 4-Nitrobenzoic acid, 3,4Dinitrobenzoic acid, 4-Methoxybenzoic acid (acid strength)

Which of the following orders is wrong with respect to the property indicated?

Arrange the following compounds in the increasing order of their boiling points. CH_3CHO, CH_3CH_2OH, CH_3OCH_3, CH_3CH_2CH_3

Arrange the following in the decreasing order of reactivity of addition of Hx. CH_2 = CH_2 , (CH_3)_2C = CH_2 and CH_3-CH = CH = CH_3

Arrange the following in the order of property indicated for each F2, Cl2,Br2, I2 increasing bond dissociation enthalpy. ii. 'HF, HCl, HBr', HI - increasing acid strength. iii. NH3,PH3,AsH3, SbH3, BiH3 -increasing báse strength.

Arrange the following in increasing order of basic strength: CH_3NH_2, (CH_3)_2NH,(CH_3)_3N, C_6H_5CH_2NH_2

Amines are basic. Arrange the following amines in the increasing order of base strength: CH_3NH_2, (CH_3)_2NH, (CH_3)_3N, C_6H_5NH_2