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Previous year question hub

Organometallics - Inorganic Chemistry - Chemistry Previous Year Questions

Practice Organometallics - Inorganic Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

20Papers
20Years
62Questions
1Topics

Organometallics question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 35 56.5%
Hard 17 27.4%
Easy 10 16.1%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 51 82.3%
Fill in the blanks 4 6.5%
MSQ 4 6.5%
Numerical Answer Type (NAT) 3 4.8%

Subject weightage

Top subjects by unique question coverage.

Chemistry
62 Qs

Most asked topics

Top topics across the included previous year papers.

Inorganic Chemistry
62 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Organometallics
62 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Chemistry (CY) 2026
4 Qs
Chemistry (CY) 2025
4 Qs
Chemistry (CY) 2024
3 Qs
Chemistry (CY) 2023
3 Qs
Chemistry (CY) 2022
2 Qs
Chemistry (CY) 2021
2 Qs
Chemistry (CY) 2020
1 Qs
Chemistry (CY) 2019
2 Qs
Chemistry (CY) 2018
5 Qs
Chemistry (CY) 2017
3 Qs
Chemistry (CY) 2016
2 Qs
Chemistry (CY) 2015
1 Qs
Chemistry (CY) 2014
5 Qs
Chemistry (CY) 2013
5 Qs
Chemistry (CY) 2012
3 Qs
Chemistry (CY) 2011
2 Qs
Chemistry (CY) 2010
2 Qs
Chemistry (CY) 2009
4 Qs
Chemistry (CY) 2008
4 Qs
Chemistry (CY) 2007
5 Qs

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Chemistry (CY) 20262026
4 questions in this view		2026
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemistry (CY) 20252025
4 questions in this view		2025
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemistry (CY) 20242024
3 questions in this view		2024
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemistry (CY) 20232023
3 questions in this view		2023
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemistry (CY) 20222022
2 questions in this view		2022
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemistry (CY) 20212021
2 questions in this view		2021
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemistry (CY) 20202020
1 questions in this view		2020
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Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20192019
2 questions in this view		2019
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Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20182018
5 questions in this view		2018
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Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20172017
3 questions in this view		2017
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Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20162016
2 questions in this view		2016
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Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20152015
1 questions in this view		2015
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Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20142014
5 questions in this view		2014
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Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20132013
5 questions in this view		2013
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Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20122012
3 questions in this view		2012
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Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20112011
2 questions in this view		2011
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Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20102010
2 questions in this view		2010
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Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20092009
4 questions in this view		2009
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20082008
4 questions in this view		2008
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20072007
5 questions in this view		2007
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Official documents
Official question paperOriginal authority-issued PDF Official Download

All Organometallics previous year questions

Practice every matching question in batches of 20, with every available option.

1
2008 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2008

The number of M-M bonds in Ir4(CO)12 are

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2
2008 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2008

Schrock carbenes are

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3
2008 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2008
Compound X is
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4
2008 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2008

Rh(PPh3)3Cl reacts very fast with a gaseous mixture of H2 and C2H4 to immediately give Z. The structure of Z is

Question diagram

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5
2009 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2009
The number of metal ā€“ metal bonds in [(C\(_5\)H\(_5\))\(_2\)Fe(CO)\(_2\)]\(_2\) is
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6
2009 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2009
The correct order of Ī½CO for the compounds [Mo(CO)3(NMe3)3], [Mo(CO)3(P(OPh)3)3], [Mo(CO)3(PMe3)3], [Mo(CO)3(PCl3)3] in the IR spectrum is
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7
2009 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2009
Treatment of W(CO)6 with 1 equivalent of Na(C5H5) in THF solution gives the ionic compound M. Reaction of M with glacial acetic acid results in product N. The 1H NMR spectrum of N displays two singlets of relative intensity 5:1. When N is heated, hydrogen gas is evolved and O is produced; O may also be prepared by refluxing W(CO)6 with cyclopentadiene and H2 is also produced. Treatment of O with an equivalent of Br2 produces P. (Use the 18 electron rule as your guide). The compounds M and N, respectively, are
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8
2009 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2009

The compounds O and P, respectively, are

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9
2011 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2011

The total number of metal-metal bonds in Ru3(CO)12 and Co4(CO)12, respectively, is

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10
2011 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2011

The product of the reaction between CH3Mn(CO)5 and 13CO is

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11
2012 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2012
The number of terminal carbonyl groups present in Fe2(CO)9 is
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12
2012 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2012
An intermediate formed during the hydroformylation of olefins using Co2(CO)8 as catalyst is
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13
2012 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2012
The INCORRECT statement about Zeiseā€™s salt is
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14
2013 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2013

The catalyst and co-catalyst used in the Wacker process, respectively, are

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15
2013 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2013
Hapticity of cycloheptatrienein Mo(C7H8)(CO)3is ______.
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16
2013 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2013
In the metathesis reaction given below, 4.32 g of the compound X was treated with 822 mg of the catalyst Y to yield 2.63 g of the product Z. The mol% of the catalystY used in this reaction is _____. [Atomic weights of Ru = 101; P = 31; Cl = 35.5].
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17
2013 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2013
Decarbonylation reaction of [cis-(CH3CO)Mn(13CO)(CO)4] yields X and Z, where
X ā‰” [(CH3)Mn(CO)5]; Y = [cis-(CH3)Mn(13CO)(CO)4]; Z = [trans-(CH3)Mn(13CO)(CO)4]
The molar ratio of the products (X : Y : Z) in this reaction is
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18
2013 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2013
According to polyhedral electron count rule, the structure of Rh6(CO)16 is
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19
2014 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2014
The monthly rainfall chart based on 50 years of rainfall in Agra is shown in the following figure. Which of the following are true? (k percentile is the value such that k percent of the data fall below that value)

(i) On average, it rains more in July than in December
(ii) Every year, the amount of rainfall in August is more than that in January
(iii) July rainfall can be estimated with better confidence from February rainfall
(iv) In August, there is at least 500 mm of rainfall
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20
2014 Ā· Chemistry Ā· Inorganic Chemistry Ā· Organometallics
Chemistry (CY) 2014
Amongst the following, the metal that does NOT form homoleptic polynuclear metal carbonyl is
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Showing 20 of 62 questions