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–44)

 Here are 🔬Chemistry MCQs – Set 44 (Hyper Ultimate Chemistry Challenge 🔥🔥🔥🔥🔥)

431. The total number of nodes in 6p orbital is:

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

432. Which of the following has highest ionization enthalpy?
A) Li
B) Be
C) B
D) Ne
👉 Answer: D

433. The number of σ-bonds in propane (C₃H₈) is:
A) 8
B) 9
C) 10
D) 11
👉 Answer: C

434. The pH of 0.1 M NaOH solution is:
A) 11
B) 12
C) 13
D) 14
👉 Answer: C

435. Which carbocation is most stable?
A) Methyl
B) Primary
C) Secondary
D) Tertiary

👉 Answer: D

436. The bond order of N₂ molecule is:
A) 2
B) 2.5
C) 3
D) 1

👉 Answer: C

437. The number of unpaired electrons in Cr²⁺ (d⁴, high spin) is:
A) 2
B) 3
C) 4
D) 1

👉 Answer: C

438. For a first-order reaction, 75% reaction corresponds to:
A) 1 half-life
B) 2 half-lives
C) 3 half-lives
D) 4 half-lives

👉 Answer: B

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

👉 Answer: B

440. The geometry of XeF₂ is:
A) Linear
B) T-shaped
C) Square planar
D) Octahedral

👉 Answer: A

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