Intermolecular hydrogen bonding is absent in (A) `H_2O` (B) `NH_3` (C) `C_2H_5OH` (D) `CH_4`

CH_(3)OH , CH_(4), NaOH , C_(2)H_(5)OH

CH_(3)OH , CH_(4), NaOH , C_(2)H_(5)OH

Arrange the following in the decreasing order of boiling points : (i) (1) C_3 H_8 (2) C_2 H_5 OH (3) (CH_3)_2 O (4) CH_2 OH CH_2 OH

Evaluate the type of hybridization of carbon atoms marked with star. (A) C*H_2=CH-C*OOH (B) CH_3-C*H_2-OH (C) CH3-CH2-C*OOH (D) C*H_3-CH=CH-CH_3 (E) CH_2-C*≡CH

Rewire the following formulaes with the help of dash formula and also by bond line notaions. (i) (CH_(3))_(3)C C_(2)H_(5)" "(ii) CH_(3)overset(O)overset("||")(C)CH_(2)CH(CH_(3))_(2)" "(iii) CH_(3)CH(OH)C_(2)H_(5)" "(iv) (CH_(3))_(3)C CH_(2)CH(CH_(3))_(2) .

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)^(+)

The decreasing order of bond dissociation energy of C-H bond in given compound is :- (A) CH_(3)-H (B) CH_(3)-CH_(2)-H CH_(2)=CH-CH_(2)-H (D)

Arrange the following in increasing order of their basic strength : (i) C_(2)H_(5)NH_(2), C_(6)H_(5)NH_(2), 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, (CH_(3))_(3)N, C_(6)H_(5)NH_(2),C_(6)H_(5)CH_(2)NH_(2)

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)