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GATE CY 2020 Question Paper (01-Feb-2020) (Shift 2)
Medium 65 Questions 180 min 100 marks
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Question No: 46Difficulty: mediumMarks: 2mcq
The CORRECT combination of L₁ and L₂ among H⁻, NO⁻, MeCH²⁻ and CO, that will satisfy the 18 electron rule for both metal centers in the following neutral molecule, is
(Given: atomic number of Ru is 44)
(Given: atomic number of Ru is 44)
Question No: 47Difficulty: mediumMarks: 2mcq
In the following reaction sequence,
the structure of B is
(Given: atomic number of Mo is 42)
the structure of B is
(Given: atomic number of Mo is 42)
Question No: 48Difficulty: mediumMarks: 2mcq
The following table lists the reaction/conversion catalyzed by metalloenzymes.
The CORRECT combination is
| Reaction / Conversion | Metalloenzymes |
|---|---|
| P. R-H + O₂ + 2H⁺ + 2e⁻ → R-OH + H₂O | 1. Coenzyme B₁₂ |
| Q. O₂ + 4e⁻ + 8H⁺ → 2H₂O + 4H⁺ | 2. Cytochrome P-450 |
| R. 2H₂O₂ → 2H₂O + O₂ | 3. Cytochrome c oxidase |
| S. NH₂-CH₂-CO₂H → NH₂-CH(CH₂OH)-CO₂H | 4. Catalase |
Question No: 49Difficulty: mediumMarks: 2mcq
The fission reaction of with thermal neutron is represented below.
and are the primary fission fragment pair. which undergo series of radioactive decay to form stable nuclei X₃ and Y₄ (chain enders). The X₃ and Y₄, respectively are:
and are the primary fission fragment pair. which undergo series of radioactive decay to form stable nuclei X₃ and Y₄ (chain enders). The X₃ and Y₄, respectively are:
Question No: 50Difficulty: mediumMarks: 2mcq
The CORRECT ‘voltage (E) versus time’ excitation signal used in cyclic voltammetry is
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