What major ir absorptions are present above 1500 cm−1 for the following compound? 1366a sp2 hybridized c―h at 3000−2850 cm−1 sp hybridized c―h at 3150−3000 cm−1 c≡c at 1650 cm−1 c≡c at 2250 cm−1 sp3 hybridized c―h at 3300 cm−1 sp2 hybridized c―h at 3150−3000 cm−1 sp hybridized c―h at 3300 cm−1 sp3 hybridized c―h at 3000−2850 cm−1