How many of the following compounds are non-polar? `NH_(3),NF_(3),BeH_(2)(g),CO_(2),H_(2)O,HI,H_(2),BF_(3),CH_(4),CHCl_(3),CH_(2)Cl_(2)" " CCl_(4)`

Consider the following compounds : CH_(4),CH_(3)-CH_(3), CH_(3)OH, CH_(3)-CH_(2)-CH_(3),CH_(3)-CH_(2)-CH_(2)-CH_(2)-CH_(3) H_(3)C-overset(CH_(3))overset("| ")"CH"-CH_(3),H_(3)C-overset(CH_(3))overset("| ")"CH"-overset(CH_(3))overset("| ")"CH"-CH_(3) How many compounds can be prepared by Wurtz reaction in high yields?

How many of the following pairs are conjugate acid/base pairs? HCl,Cl^(-) KH,KCl H_(2)SO_(4),Na_(2)SO_(4) NaHS,Na_(2)S CH_(3)COOH,CH_(3)COOH_(2)^(+) Na_(2)CO_(3),NaHCO_(3) NH_(3),NH_(4)Br HCl,ClOH Aniline, anilinium

How many of the following may react with SiCl_(4) to produce a non-polar product ? NaH, CH_(3)MgCl, H_(2)O, LiAlH_(4), H_(2)SO_(4)(l),NH_(3), Be

Which of the following has larger bond angle in each pair ? (i)CO_(2),BF_(3)(ii)NH_(3),CH_(4)(iii)H_(2)O,H_(2)S(iv)SF_(4),C_(2)H_(2).

Which of the following has larger bond angle in the following pairs ? (a)NH_(3),PH_(3)(b)BeF_(2),BF_(3)(c )H_(2)O,CO_(2)(d)H_(2)O,H_(2)S(e)C CL_(4),C_(2)H_(2) ?

Classify the following molecules/ions as nucleophiles or electrophiles HS^(-),BF_(3),CH_(3)CH_(2)O^(-),NO_(2)^(+),NH_(3),NH_(2)^(-),Cl^(+)

Arrange the following compounds in the increasing order of their boiling points: CH_(3)CH_(2)CH_(2)CHO, CH_(3)CH_(2)CH_(2)CH_(2)OH, H_(5)C_(2)-O-C_(2)H_(5),CH_(3)CH_(2)CH_(2)CH_(3)

How many following ammonium salts will evolve NH_(3) gas on heating? (NH_(4))_(2)CO_(3),(NH_(4))_(2)Cr_(2)O_(7),CH_(3)COONH_(4),NH_(4)ClO_(4),NH_(4)Cl,(NH_(4))_(2)S,(NH_(4))_(2)C_(2)O_(4),(NH_(4))_(2)SO_(4),NH_(4)NO_(3)

Calculate the molecular masses of H_(2), O_(2), Cl_(2), CO_(2), CH_(4), C_(2)H_(6), C_(2)H_(4), NH_(3), CH_(3)OH .

Arrange the following in order of decreasing bond angles (i) CH_(4), NH_(3), H_(2)O, BF_(3), C_(2)H_(2)" "(ii) NH_(3), NH_(2)^(-), NH_(4)^(+)