GATE CY 2018 Paper 1 — page 17

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2018 Paper 1

Complete GATE CY 2018 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 49–51 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 17 of 22

For the following reaction sequence,

X and Y, respectively, are

Your answerChoose one option.

and

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For an inverse spinel, AB₂O₄, the A and B, respectively, can be

Your answerChoose one option.

Ni(II) and Ga(III)

Zn(II) and Fe(III)

Fe(II) and Cr(III)

Mn(II) and Mn(III)

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The reaction of PCl₃ with PhLi in 1:3 molar ratio yields X as one of the products, which on further treatment with CH₃I gives Y. The reaction of Y with n-BuLi gives product Z. The products X, Y and Z, respectively, are

Your answerChoose one option.

[PPh₄]Cl, [Ph₂P=CH₂] and Ph₂P(n-Bu)

PPh₃,

Ph₃PI

and Ph₂P(n-Bu)

PPh₃, [Ph₃P(CH₃)]I and Ph₃P=CH₂

[PPh₄]Cl, [Ph₃P=CH₂] and [Ph₃P(n-Bu)]Li

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2018 · Paper 1

Question 39

Question 40

Question 41