The highest energy molecular orbital for the allyl system is (a) 1/2 1+1/2 2+1/2 3 (b) 1/2 1-1/2 3 (c) 1/2 1-1/2 2+1/2

The highest energy π – molecular orbital for the allyl system is
(a) 1/√2 χ1+1/2 χ2+1/√2 χ3
(b) 1/√2 χ1-1/√2 χ3
(c) 1/2 χ1-1/√2 χ2+1/2 χ3
(d)1/√2 χ1-1/2 χ2-1/√2 χ3