Chemical Science Test Booklet Form
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Chemical Science Test Booklet Form

This quiz contains instructions for a Chemical Science test booklet, including details on filling out the form with the code, serial number, seat number, invigilator's signature, and OMR sheet number. The time allowed for the test is 2 hours.

Created by
@HappyBallad

Questions and Answers

What is the duration of the exam?

2 hours

How many objective type questions are there in the paper?

100

What should students do in the first 5 minutes of the examination?

Examine the booklet for any discrepancies

What should students do if they find a faulty booklet during their examination?

<p>Immediately report it to the invigilator</p> Signup and view all the answers

What must students tear off before accessing the question booklet?

<p>Sticker-seal on the edge of the cover page</p> Signup and view all the answers

What happens if a student accepts a booklet without a sticker-seal?

<p>They are given a new booklet immediately</p> Signup and view all the answers

What will happen if a candidate marks their responses anywhere other than the circle on the OMR Sheet?

<p>The responses will not be evaluated</p> Signup and view all the answers

What should be done at the end of the booklet for rough work?

<p>Do rough work at the end of the booklet</p> Signup and view all the answers

What is the consequence of disclosing identity information on the OMR Sheet?

<p>The candidate may get disqualified</p> Signup and view all the answers

What should a candidate do with the original OMR Sheet at the end of the examination?

<p>Return it to the invigilator</p> Signup and view all the answers

What color pen should a candidate use to mark their responses?

<p>Blue/Black ballpoint pen</p> Signup and view all the answers

What is prohibited during the examination in terms of tools or materials?

<p>Use of calculator or log table</p> Signup and view all the answers

Which factor contributes to the magnetic moment besides the spin-only value?

<p>Orbital contribution to the magnetic moment</p> Signup and view all the answers

What is the oxidation-reduction reaction that identifies biological nitrification?

<p>[NH4]+ + 2O2 → [NO3]– + H2O + 2H+</p> Signup and view all the answers

In an octahedral geometry, what is the Pairing Energy (P) contribution to the Crystal Field Stabilization Energy (CFSE) of a high spin d7 ion?

<p>P</p> Signup and view all the answers

How many Electron Paramagnetic Resonance (EPR) lines are observed in the p-dinitro benzene radical anion?

<p>5</p> Signup and view all the answers

In which ligand environment is the formation of [Zn–OH]+ more facile at the active site of hydrolytic enzymes?

<p>(B)</p> Signup and view all the answers

What is the order of Crystal Field Splitting Parameter (Δ) from highest to lowest among the given coordination complexes?

<p>[CoF6]3– &gt; [CoF6]4– &gt; [Co(H2O)6]2+</p> Signup and view all the answers

Which statement is true about the reactivities of chlorine species based on the given Frost diagram?

<p>ClO4– is a stronger oxidizing agent in basic than in acidic medium</p> Signup and view all the answers

Which reaction type is exemplified by 3CH3Li + SbCl3 → (CH3)3Sb + 3LiCl?

<p>Metal-halogen exchange</p> Signup and view all the answers

Which oxides historically were used to prepare oxygen by decomposition?

<p>KO2, BaO2, Na2O</p> Signup and view all the answers

In the context of Pauling's electronegativity scale, which element can hydrogen oxidize?

<p>Carbon</p> Signup and view all the answers

Which molecule does not possess Td symmetry?

<p>$P_4$</p> Signup and view all the answers

For a copper analysis yielding 42.50% instead of the true 42.92%, what could be the possible reason?

<p>Presence of impurities affecting results</p> Signup and view all the answers

Which compound shows peaks at 234, 236, 238 m/e with intensity (1:2:1) in the mass spectrometry spectrum?

<p>2-Methyl-1,3-butadiene</p> Signup and view all the answers

Which compound exhibits an absorption at 1815 cm^(-1) in the infrared spectrum?

<p>Cyclopropane</p> Signup and view all the answers

In which compound is there only one singlet at 3.7 in the 1H – NMR spectrum?

<p>1,4-Dibromobenzene</p> Signup and view all the answers

What would be the major product of the reaction involving 2-Methyl-1,3-butadiene?

<p>(C)</p> Signup and view all the answers

For which chemical conversion would Dimethyldioxirane (DMDO) in CH2Cl2 be the most suitable reagent/condition?

<p>Dimethyldioxirane (DMDO); CH2Cl2</p> Signup and view all the answers

Which reagents are correct for the conversion involving Vinylmagnesium?

<p>Vinylmagnesium;</p> Signup and view all the answers

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