Computer Science MCQs (Set–29 | Level — Frontier Open Conjectures & Deep Structural Theory 😈🔥)

281. The statement “P ≠ NP” would immediately imply: A) NP ⊄ P B) No NP-Complete problem is solvable in polynomial time C) There exist problems verifiable but not efficiently solvable D) All of the above Answer: D) All of the above 282. The class coNP consists of languages whose complements are in: A) P B) NP C) PSPACE D) EXP Answer: B) NP 283. If PH collapses to level k, then: A) All higher levels equal Σₖ^P B) PSPACE collapses C) NP = PSPACE D) EXP collapses Answer: A) All higher levels equal Σₖ^P 284. The problem of graph isomorphism is currently known to be in: A) P (proven decades ago) B) NP-Complete C) Quasi-polynomial time D) PSPACE-Complete Answer: C) Quasi-polynomial time 285. The class #P deals with: A) Optimization problems B) Counting accepting paths C) Space-bounded computation D) Quantum proofs Answer: B) Counting accepting paths 286. If #P = FP (polynomial-time computable functions), then: A) P = NP B) PH collapses C) PSPACE = NP D) BQP = P Answer: B) PH collapses ...
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Chemistry MCQs (Set–34)

 Here are 🔬 Chemistry MCQs – Set 34 (Ultimate Final Boss Level 🔥🔥🔥🔥🔥)

331. The total number of nodes in 5d orbital is:

A) 3
B) 4
C) 5
D) 6
👉 Answer: B
(Total nodes = n – 1 = 5 – 1 = 4)

332. Which of the following has highest hydration enthalpy?
A) Be²⁺
B) Mg²⁺
C) Ca²⁺
D) Sr²⁺
👉 Answer: A

333. The number of σ-bonds in naphthalene (C₁₀H₈) is:
A) 17
B) 18
C) 19
D) 20
👉 Answer: C

334. The pH of 0.001 M NaOH solution is:
A) 10
B) 11
C) 12
D) 13
👉 Answer: B

335. Which of the following is most stable radical?
A) CH₃•
B) C₂H₅•
C) (CH₃)₂CH•
D) (CH₃)₃C•

👉 Answer: D

336. The bond order of CO molecule is:
A) 2
B) 2.5
C) 3
D) 1

👉 Answer: C

337. The number of unpaired electrons in Ni²⁺ (high spin, d⁸) is:
A) 0
B) 1
C) 2
D) 3

👉 Answer: C

338. For a second-order reaction, half-life is:
A) Independent of concentration
B) Directly proportional to concentration
C) Inversely proportional to concentration
D) Constant

👉 Answer: C

339. Which compound gives positive Tollens’ test?
A) Benzaldehyde
B) Acetone
C) Acetamide
D) Benzophenone

👉 Answer: A

340. The geometry of ICl₄⁻ is:
A) Tetrahedral
B) Square planar
C) See-saw
D) Linear

👉 Answer: B

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