If unit of rate constant is mol $dm^{-3}s^{-1},$ the order of reaction would be $............$
- ✓zero
- B$1$
- C$2$
- D$3$
Answer: A.
View full solution →Question types
MARCH 2024 question types
47 questions across 5 question groups — pick any mix to generate a Chemistry paper with step-by-step answer keys.
47
Questions
5
Question groups
5
Question types
01
MCQ
10 Q→02Answer the following in one or two sentence.
12 Q→03Answer the following in brief.
12 Q→04Answer the following in detail.
5 Q→05Answer the following questions:
8 Q→Sample Questions
MARCH 2024 questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
The product of hydrolysis of propyne in the presence of $1\% \ H_gSO_4$ and $40\% \ H_2SO_4$ is $...........$
- Amethanal
- Bethanal
- CPropanal
- ✓propanone
Answer: D.
View full solution →Among the following vinylic halide is ______.
- A
- ✓$CH _2= CH - X$
- C
- D$CH _2= CH - CH _2- X$
Answer: B.
View full solution →The monomer used in preparation of teflon is ______.
- AE caprolactum
- Bvinyl chloride
- Cstyrene
- ✓tetrafluoroethylene
Answer: D.
View full solution →The number of particles present in Face Centred Cubic Unit cell is _____.
- A1
- B2
- C3
- ✓4
Answer: D.
View full solution →Derive the relationship between molar mass, density of the substance and unit cell edge length.
Define Lanthanide contraction. Write the balanced chemical equations when acidified $K_2Cr_2O_7$ reacts with $H_2S.$
View full solution →Write the structure and name of monomer of
(a) Nylon-6
(b) Natural rubber
(a) Nylon-6
(b) Natural rubber
Henry's constant for $CH_3Br_{(g)} is 0.159 \ mol \ dm^{-3} bar^{-1} 25^\circ C$. Calculate its solubility in water at $25^\circ C$, if its partial pressure is $0.164$ bar.
View full solution →Write preparation of $(a)$ diethyl ether $(b)$ ethyl cyanide from ethyl bromide.
View full solution →Write the preparation of potassium dichromate from chromite ore.
Define acids and bases according to Bronsted$-$Lowry theory. Derive relationship between $pH$ and $pOH.$
View full solution →Identify 'A', 'B' and 'C' in following chain reaction and rewrite the chemical reactions:
$CH _3 CH _2 OH \xrightarrow[B r_2]{ red \cdot P ^{\prime}} A \xrightarrow[\text { alc }]{ KCN } B \xrightarrow[\text { Ether }]{ LiAlH _4} C$
View full solution →$CH _3 CH _2 OH \xrightarrow[B r_2]{ red \cdot P ^{\prime}} A \xrightarrow[\text { alc }]{ KCN } B \xrightarrow[\text { Ether }]{ LiAlH _4} C$
Define electrochemical series and write its two applications.
Write postulates of Werner theory of co$-$ordination complexes. Write the name of a hexadentate ligand.
View full solution →Mention the number of unpaired electrons and geometry of following complexes:
(i) $\left[ Ni ( Cl )_4\right]^{2-}$
(ii) $\left[ Ni ( CN )_4\right]^{2-}$
Convert the following:
(a) Ethanenitrile into ethanal.
(b) Cyclohexane into adipic acid.
View full solution →(i) $\left[ Ni ( Cl )_4\right]^{2-}$
(ii) $\left[ Ni ( CN )_4\right]^{2-}$
Convert the following:
(a) Ethanenitrile into ethanal.
(b) Cyclohexane into adipic acid.
Derive the relation between half life period and rate constant for first order reaction.
Write the net cell reaction during discharging of lead accumulator.
Draw the structure of peroxymonosulphuric acid.
Write the net cell reaction during discharging of lead accumulator.
Draw the structure of peroxymonosulphuric acid.
Predict the type of cubic lattice of a solid element having edge length of 400 pm and density is 6.25 g/ml
(Atomic mass of element = 60)
Define: Nanoscience
Write chemical reaction for the preparation of polyacrylonitrile.
(Atomic mass of element = 60)
Define: Nanoscience
Write chemical reaction for the preparation of polyacrylonitrile.
Define :
(i) Extensive and Intensive properties
(ii) Isobaric and Adiabatic processes
What are enzymes?
Write the atomic numbers of transuranium elements.
(i) Extensive and Intensive properties
(ii) Isobaric and Adiabatic processes
What are enzymes?
Write the atomic numbers of transuranium elements.
Convert the following:
(i) acetaldehyde to isopropyl alcohol.
(ii) cumene to phenol
(iii) anisole to phenol.
Write two uses of neon
(i) acetaldehyde to isopropyl alcohol.
(ii) cumene to phenol
(iii) anisole to phenol.
Write two uses of neon
Write the condition of reverse osmosis.
Write the sign convention of work done during expansion of gas.
Write $SI$ unit of molar conductivity ?
View full solution →The compounds of $Ti^{4+}$ ions are colourless due to ..........
View full solution →Calculate effective atomic number of $(Co (NH_3)_6)^{3+}$ ion.
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