The X-X bond length is `1.00A^(0)` and C-C bond length is `1.54A^(@)`. If electronegativites of 'X' and 'C' are 3.0 and 2.0 respectively, the C-X bond length is likely to be:

The C-C single bond length is 1.54 A^(@) and that of Cl-Cl is 1.98 A^(@) . If the electronegativity of Cl and C are 3.0 and 2.5 respectively , the C-Cl bond -length will be equal to

(a) The EN of cesium (Cs) is 0.7 and that of chlorine (Cl) is 3.5 . Predict tha bond formed between them. (b) The X-X bond length is 100 pm and C-C bond length is 154 pm . If EN of 'X' and 'C' are 3.0 and 2.0 respectively, calculate the C-X bond length. (i) 127 pm , (ii) 118 pm (iii) 108 pm , (iv) 128 pm ( c) Which of the properties can be predicted by EN values? (d) If a,b and c are EN , IE and EA respectively. What is the formula of EA ( c) in the terms of EN (a) and IE (b) ?

The C-C bond length is shortest in

C-C bond length is higest for

C - H bond length is least in

The C-Cl bond length is shortest in :

The C-O bond length is the shortest in: