Arrange the following sets of molecules in the decreasing order of bond angle :
i) 'SF_6, CCl_4, H_2 O, NH_3'
ii) 'C H_4, N H_3, H_2 O, B F_3'
iii) 'A l C l_3, H_2 S, B e H_2, H_2 O'

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

Arrange the following molecụles in the decreasing order of oxidation state (+ve to -ve) of nitrogen. 'NO_2, NH_3, HN_3, N O_2^-, N_2 H4'

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 increasing order of their basic strength: i) C_2 H_5 NH_2, C_6 H_5 NH_2, NH_3, C_6 H_5 CH_2 NH_2 and (C_2 H_5)_2 NH ii) C_2 H_5 NH_2, (C_2 H_5)_2 NH,(C_2 H_5)_3 N, C_6 H_5 NH_2 iii) CH_3 NH_2, (CH_3)_2 NH_4, (CH_3)_3 N, C_6 H_5 NH_2, C_6 H_5 CH_2 NH_2

Arrange the following gases in order of their cirtical temperature NH _(3), H _(2)O, CO _(2), O _(2)

Arrange the following in increasing order of basic strength: C_2H_5NH_2, C_6H_5NH_2,NH_3,C_6H_5CH_2NH_2, and (C_2H_5)_2NH

The 'O-O-H' bond angle in 'H_2 O_2' is

Among the following, the number of compounds that can react with PCl_5 to give POCI_3 is O_2 , CO_2 , SO_2 , H_2 O , H_2 SO_4 , P_4 O_(10)

Which of the following is not obtained in the solid form? (1)L i H C O 3 (2) N a H C O 3 (3) R b H C O 3 (4) C s H C O 3