17 verified questions · ~15 minutes · answer key checked against the official NTA final key across multiple sources. Text-only questions (diagram-based excluded until they can be shown properly).
Identify product [A], [B] and [C] in the following reaction sequence. CH₃−C≡CH —(H₂, Pd/C)→ [A] —((i) O₃ (ii) Zn, H₂O)→ [B] + [C]
Which of the following is/are not correct with respect to energy of atomic orbitals of hydrogen atom? (A) 1s < 2p < 3d < 4s (B) 1s < 2s = 2p < 3s = 3p (C) 1s < 2s < 2p < 3s < 3p (D) 1s < 2s < 4s < 3d Choose the correct answer from the options given below:
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